Glaucoma is the primary cause of inreversible blindness.As the change of society, economy and environment, and the improvement of the ways of diagnosis and treatment of glaucoma, the epidemiological feature is also changing incessantly. Since different diagnostic standard and classification system of glaucoma lead to different survey result of epidemiology,and the epidemiological feature gives direction to the clinical intervening measure, the situation of glaucoma epidemiology is of great importance to prophylaxis and treatment of glaucoma. This thesis gives an overview of the progress in research field of primary glaucoma epidemiology in China.