The theoretical model of health information attention behavior of WeChat users is built. The health information attention behavior of WeChat users is analyzed from five aspects of the attention motivation, channel of information, influencing factors, attention performance and attention feedback. Suggestions for improving the information service level of health WeChat public accounts are put forward, including enhancing the information discrimination awareness of WeChat users, encouraging WeChat team to develop editing software, improving the information release mechanism of health WeChat public accounts.