Abstract: 【Purpose/significance】With the fast development of online government service platforms in China, it’s necessary to learn whether search engines can locate a service or not. The main goal of service search is to be accurate. Eight hypotheses were promoted about the search engine visibility of online government services resource of China and the U.S.【Method/process】Targeting to find the typical government-to-citizen service apply for driver license and government-to-business service register a limited liability company in the richest cities of all provinces in China and all states in the U.S., 10 search experiments will carried out though Baidu and Google in both Chinese and English. The search results of the first page were recorded and scored according to relativeness. Then the search functions of search engines were analyzed and the hypotheses were tested through Non-parametric test.【Result/conclusion】The study finds that the ability of search engines to understand the government service vocabulary is a key point of their search ability. Also, the SEO methods can be applied to government websites so as to promote the visibility.【Innovation/limitation】By comparing the search re⁃sults of Baidu and Google targeting two typical government services both in China and in the U.S., the research expands the sphere and depth of search engine studies. The limitations come from the subjectivity in judging the relativeness of the search results and the pos⁃sibility of inaccuracy for focusing on only two services.