1. Log on to the Internet platform 123 15 to make an online complaint. Idle fish is a service platform. When the rights and interests of consumers or businesses are infringed on the platform, they can log in to "National Platform 123 15" official website to safeguard their corresponding rights and interests.

2. Call the consumer complaint hotline to make a complaint. In addition to making a complaint on the national Internet platform 123 15, you can also call "123 15" to make a complaint. However, if there is a consumer complaint, you need to dial the area code of the business location+123 15. Take Xianyu as an example. Its headquarters is in Hangzhou.