Tin slag is a waste material formed during the tin smelting process, typically appearing as metallic lumps or powder. It is widely used in various industrial sectors such as electronics manufacturing, automotive industry, and construction. Tin slag boasts good electrical and thermal conductivity, suitable for producing metal materials and alloys. Moreover, it can be used to make welding materials and coatings, playing a crucial role in electronic assembly and welding processes. However, tin slag is also an environmental pollutant containing some harmful components to human health. Therefore, proper environmental protection and safety measures should be taken when handling and disposing of tin slag to minimize its impact on both the environment and human health. Effective management and recycling of tin slag can significantly reduce its negative environmental effects and contribute to sustainable development goals.