徐福东渡日本是目前学术界研究的一个热点。有关问题的研究正在深入。本文就东渡时间问题进行了论证,既考之于《史记》及有关著述,也从地方志中撷取材料,还从当时的政治形势方面进行论证。结论是:秦始皇三十七年徐福从达蓬山启碇出航。 Xu Fu east crossing Japan is currently a hot spot in academic research. Research on the issue is going deep. This article demonstrates the problem of Dongdu time, examines both the Records of the Historian and the related writings, as well as the material from the local chronicles, and from the political situation at that time. The conclusion is: Thirty-seven years of the emperor Qin Fu Feng Peng Kai Kai Kai sail.