Abstract: Focused on the problem of algae removal in water purification plants, the research progress of cyanobacteria treatment technology in water purification plants was summarized. The characteristics and application bottlenecks of existing processes were introduced. It analyzed the characteristics and existing problems of various technologies, new algae inhabitation materials which would make reference for the water safety of drinking water plants and development of new purification technology.

Key words: cyanobacteria treatment, algae removal process, water purification plant, algae removal materials, new algae removal technology