Semiconductor technology is widely used in household appliances. Semiconductor discrete devices play a crucial role in controlling and converting electrical energy in household appliances, and are the core components of household appliances. This technology directly affects the performance and quality of household appliances. With the overall upgrading and market expansion of household appliances in China, semiconductor discrete devices will have stable market development prospects. In addition, semiconductor technology is also applied to smart home devices such as smart door locks, home security systems, smart speakers, smart lighting, and smart temperature control systems.