diff --git a/src/yycc/carton/binstore/serializer.hpp b/src/yycc/carton/binstore/serializer.hpp
index cb2da9a..02f681c 100644
--- a/src/yycc/carton/binstore/serializer.hpp
+++ b/src/yycc/carton/binstore/serializer.hpp
@@ -184,4 +184,5 @@ namespace yycc::carton::binstore::serializer {
 
         NS_YYCC_BINSTORE_TYPES::ByteArray reset() const { return this->serialize(u8"").value(); }
     };
+
 } // namespace yycc::carton::binstore::serializer
diff --git a/src/yycc/carton/binstore/setting.cpp b/src/yycc/carton/binstore/setting.cpp
index 578a1a6..d437a10 100644
--- a/src/yycc/carton/binstore/setting.cpp
+++ b/src/yycc/carton/binstore/setting.cpp
@@ -1,3 +1,89 @@
-#pragma once
+#include "setting.hpp"
+#include "../../patch/format.hpp"
+#include <stdexcept>
 
-namespace yycc::carton::binstore::setting {}
+#define TYPES ::yycc::carton::binstore::types
+#define FORMAT ::yycc::patch::format
+
+namespace yycc::carton::binstore::setting {
+
+#pragma region Setting Class
+
+    Setting::Setting(const std::u8string_view& name) : name(name) {
+        if (name.empty()) {
+            throw std::logic_error("the name of setting should not be empty");
+        }
+    }
+
+    Setting::~Setting() {}
+
+    std::u8string_view Setting::get_name() const {
+        return this->name;
+    }
+
+#pragma endregion
+
+#pragma region RegisteredSetting Class
+
+    RegisteredSetting::RegisteredSetting(TYPES::Token token, Setting&& setting) : token(token), setting(std::move(setting)) {}
+
+    RegisteredSetting::~RegisteredSetting() {}
+
+    TYPES::Token RegisteredSetting::get_token() const {
+        return this->token;
+    }
+
+    const Setting& RegisteredSetting::get_setting() const {
+        return this->setting;
+    }
+
+#pragma endregion
+
+#pragma region SettingCollection Class
+
+    SettingCollection::SettingCollection() : names(), settings() {}
+
+    SettingCollection::~SettingCollection() {}
+
+    TYPES::Token SettingCollection::add_setting(Setting&& setting) {
+        auto token = this->settings.size();
+
+        std::u8string name(setting.get_name());
+        auto [_, ok] = this->names.try_emplace(name, token);
+        if (!ok) {
+            throw std::logic_error(FORMAT::format("duplicated setting name {}", name));
+        }
+
+        this->settings.emplace_back(RegisteredSetting(token, std::move(setting)));
+        return token;
+    }
+
+    std::optional<TYPES::Token> SettingCollection::find_name(const std::u8string_view& name) const {
+        auto finder = this->names.find(std::u8string(name));
+        if (finder == this->names.end()) return std::nullopt;
+        else return finder->second;
+    }
+
+    bool SettingCollection::has_setting(TYPES::Token token) const {
+        return token < this->settings.size();
+    }
+
+    const Setting& SettingCollection::get_setting(TYPES::Token token) const {
+        return this->settings.at(token).get_setting();
+    }
+
+    const std::vector<RegisteredSetting>& SettingCollection::all_settings() const {
+        return this->settings;
+    }
+
+    size_t SettingCollection::length() const {
+        return this->settings.size();
+    }
+
+    bool SettingCollection::empty() const {
+        return this->settings.empty();
+    }
+
+#pragma endregion
+
+} // namespace yycc::carton::binstore::setting
\ No newline at end of file
diff --git a/src/yycc/carton/binstore/setting.hpp b/src/yycc/carton/binstore/setting.hpp
index 578a1a6..298102c 100644
--- a/src/yycc/carton/binstore/setting.hpp
+++ b/src/yycc/carton/binstore/setting.hpp
@@ -1,3 +1,64 @@
 #pragma once
+#include "../../macro/class_copy_move.hpp"
+#include "types.hpp"
+#include <string>
+#include <string_view>
+#include <vector>
+#include <map>
+#include <optional>
 
-namespace yycc::carton::binstore::setting {}
+#define NS_YYCC_BINSTORE_TYPES ::yycc::carton::binstore::types
+
+namespace yycc::carton::binstore::setting {
+
+    class Setting {
+    public:
+        Setting(const std::u8string_view& name);
+        ~Setting();
+        YYCC_DEFAULT_COPY_MOVE(Setting)
+
+    public:
+        std::u8string_view get_name() const;
+
+    private:
+        std::u8string name;
+    };
+
+    class RegisteredSetting {
+    public:
+        RegisteredSetting(NS_YYCC_BINSTORE_TYPES::Token token, Setting&& setting);
+        ~RegisteredSetting();
+        YYCC_DEFAULT_COPY_MOVE(RegisteredSetting)
+
+    public:
+        NS_YYCC_BINSTORE_TYPES::Token get_token() const;
+        const Setting& get_setting() const;
+
+    private:
+        NS_YYCC_BINSTORE_TYPES::Token token;
+        Setting setting;
+    };
+
+    class SettingCollection {
+    public:
+        SettingCollection();
+        ~SettingCollection();
+        YYCC_DEFAULT_COPY_MOVE(SettingCollection)
+
+    public:
+        NS_YYCC_BINSTORE_TYPES::Token add_setting(Setting&& setting);
+        std::optional<NS_YYCC_BINSTORE_TYPES::Token> find_name(const std::u8string_view& name) const;
+        bool has_setting(NS_YYCC_BINSTORE_TYPES::Token token) const;
+        const Setting& get_setting(NS_YYCC_BINSTORE_TYPES::Token token) const;
+        const std::vector<RegisteredSetting>& all_settings() const;
+        size_t length() const;
+        bool empty() const;
+
+    private:
+        std::map<std::u8string, NS_YYCC_BINSTORE_TYPES::Token> names;
+        std::vector<RegisteredSetting> settings;
+    };
+
+}
+
+#undef NS_YYCC_BINSTORE_TYPES
diff --git a/src/yycc/carton/binstore/types.hpp b/src/yycc/carton/binstore/types.hpp
index 0b3f4d2..6a36bce 100644
--- a/src/yycc/carton/binstore/types.hpp
+++ b/src/yycc/carton/binstore/types.hpp
@@ -15,6 +15,19 @@ namespace yycc::carton::binstore::types {
     template<typename T>
     using BinstoreResult = std::expected<T, BinstoreError>;
 
+    /**
+     * @brief An unique token type.
+     * @details
+     * When outside code registering an setting in collection
+     * there must be a token returned by manager.
+     * When outside code want to visit this registered item again,
+     * they should provide this token returned when registering.
+     * 
+     * Its value actually is the index of its stored vector.
+     * So this type is an alias to vector size type.
+     */
+    using Token = size_t;
+
     /// @brief The raw data of setting.
     class ByteArray {
     public: