The prevalence of diabetic retinopathy is gradually increasing in Asia and has become the leading cause of blindness. Once diabetes causes visual impairment, the damage usually enters stage 2-3 and is more difficult to treat. In developed countries, diabetic patients have regular appointments for checkups and treatment, which is related to the different medical concepts and treatment models in China, often by diabetic specialists and general practitioners throughout the detection of disease changes, in accordance with the guidelines for the diagnosis and treatment of diabetes, in addition to blood glucose and other tests, regular fundus photography screening, which is currently the most widely carried out tele-ophthalmology treatment for the content of diabetic retinopathy screening, and the most for the conduct of This is the most widely performed tele-ophthalmology treatment for diabetic retinopathy screening, and it is not the ophthalmology department that performs the most screening, but the ophthalmologist who transmits the digital fundus images of diabetic patients for consultation or further examination. Diabetic retinopathy is a preventable blindness, and the key to prevention and treatment is early screening and diagnosis, which suggests that our traditional screening model for diabetes needs to be changed. It is important to include diabetic patients in the prevention and treatment system. Regular non-dilated digital fundus photography is quick, inexpensive, and the results can be seen at the time, making it easy for patients to accept and for doctors and patients to communicate.