In the 1930s, water hyacinth was introduced into China as a feed, ornamental plant and sewage control plant, and it was widely planted in the south as an animal feed. Beginning in the 1980s, with the rapid development of China's inland industry, the eutrophication of inland waters has intensified. With the help of its efficient asexual reproduction and environmental adaptation mechanisms, water hyacinth has begun to spread widely in the river basin. The flood-water blue eyes blocked the river and hindered the internal water traffic. For example, many waterways in Zhejiang and other provinces were blocked by the rapidly growing water hyacinth. In addition, a large number of water hyacinths floating in the water will block sunlight from entering the water, and after decay, it will consume a lot of dissolved oxygen in the water, pollute the water quality, and cause a large number of deaths of other aquatic plants. The outbreak of water hyacinth has seriously affected the biodiversity of the local ecosystem and threatened the production, life and health of community residents.