WeChat is a main way for Chinese information acquirement and health communication. The thesis discusses and found an evaluation index system based WeChat health communication offcial accounts. The authors qualitatively and quantitatively measure the communication effects from spread breadth and depth. The authors found that fans scale, position of papers, topic choice, the usage of multimedia, interest degree, are the influence factors for health communication effects. Among them, the position of papers and the usage of multimedia are signifcantly affect the spread of dissemination and depth of communication.