The development and state of arts about the underwater acoustic communication had been introduced in this article.Then the research progress and achievements about our study group,which belong to the key laboratory of underwater acoustic communication and marine information technology(Xiamen University,Ministry of Education of China),had been introduced.Theprogress and achievement were concerning three topics,such as characteristic matching method of the underwater acoustic channel,voice image data communication via underwater acoustic channel,underwater acoustic networks three-dimensional communication Networks and so on.