With the improvement of people’s living standards, more and more diabetic patients, and more and more people with diabetic retinopathy, the urban population is better, go to the hospital early, to the pre-proliferative stage of diabetic retinopathy can be under the guidance of doctors, played the laser, after the laser, the chances of neovascularization is very low, and will not be a lot of blood in a short period of time, can delay the development of diabetic retinopathy However, people in rural areas and small cities do not recognize the seriousness of diabetic retinopathy, resulting in the proliferative phase of diabetic retinopathy, a lot of bleeding and proliferative membranes, and the opportunity to play laser is lost. Therefore, it is recommended that all diabetic patients must pay attention to your eyes and have their fundus checked every six months or a year to prevent complications.