Wechat is a new carrier of marketing in the Internet era, and more and more enterprises try wechat marketing. From the perspective of consumer behavior, this paper constructs the evaluation index system of wechat marketing effect of tourism companies according to ASAS model, and then uses Delphi method to solicit experts’ opinions on each index, and uses fuzzy comprehensive evaluation method to evaluate the pseudo economic effect of wechat marketing of tourism companies, Put forward the corresponding wechat marketing strategy optimization suggestions.