Tin slag recycling is a highly necessary activity. Tin slag refers to the waste produced during wave soldering production, which contains a high tin content. Due to the limited nature of tin resources, the recycling of tin slag can effectively conserve resources and reduce environmental damage. Additionally, the tin in the slag can be reused, promoting the development of a circular economy through the recycling and production of tin materials. To achieve tin slag recycling, various methods such as physical separation, chemical recovery, and smelting can be employed. These methods effectively extract and separate the tin element, aiming for recycling and contributing to sustainable development. Therefore, tin slag recycling is necessary and of great significance.