As the market for wearable smart devices rapidly expands,the issues of data security and privacy protection are increasingly becoming a focal point of concern for both the public and the industry.Building on an in-depth analysis of existing research,this paper comprehensively expounds the core requirements and challenges faced by consumer-grade wearable smart devices in the realm of data security.The article meticulously constructs a set of evaluation indicators,discusses assessment techniques,and introduces the corresponding testing tools.The comprehensive analytical framework proposed in this paper aims to promote the development of the wearable device market towards greater security and standardization,ensuring that users'data security is effectively protected.