Algal blooms in eutrophication are a severe problem all over the world and would lead to plenty of negative impacts, such as affecting the quality of water badly. In China, many water bodies, including Lake Taihu, are severely affected by this problem. Therefore, this article will focus on Lake Taihu, and aim to analyze different methods to address the algal bloom. The purpose of the article is to find out the most effective and suitable way to solve the problem of algal bloom in Lake Taihu.