1. Network query. Search into hao 123 traffic violation query page, select the vehicle registration city or your city, and enter the license plate number and engine number for query;

2. The mobile phone downloads the relevant mobile APP for inquiring about vehicle violation, and inquires by registering and logging in the mobile phone software;

3. Pay attention to the official WeChat account registered and used by the traffic police department, and make inquiries according to the instructions on its official WeChat account.