目的 智能手机的迅速推广和通讯技术的更新给人们的生活带来了翻天覆地的变化，终端通讯运营商APP线上服务功能日益丰富。APP的易用性、可用性直接关系到用户对商家的服务质量评价，商家在提升APP可用性的同时也提高了自己的市场竞争力。方法 采用眼动实验法对电信、联通运营商APP进行可用性的对比分析。结果 联通APP较电信APP图标特征明显，可用性强;电信APP较联通APP页面布局合理，界面简洁易搜索。结论 实验表明运营商APP功能图标特征明显、界面简洁易搜索、界面线索有条理可提升可用性。

The rapid promotion of smart phones and the update of communication technology has brought great changes to people's lives, and the online service functions of telecom operators' APP are becoming increasingly rich. The usability and availability of APP are directly related to users' evaluation of the service quality of businesses. Businesses can also improve their market competitiveness by improving APP availability. In this paper, eye movement experiment and questionnaire analysis were used to compare the usability of Telecom and China Unicom operator APPs. It was found that China Unicom APP has obvious icon characteristics and strong usability than Telecom APP. Compared with Unicom APP, Telecom APP has reasonable page layout, simple interface and is easy to search. Experiments showed that telecom operator APPs has obvious functional icon characteristics, simple and easy to search interface, and orderly interface clues, which can improve usability.