Abstract: Ultrawidefield scanning laser ophthalmoscopy is an imaging technique that can take the 200degree wide field of fundus image with nonmydriatic, which has been widely used in ophthalmology. Studies have shown that the ultrawidefield scanning laser ophthalmoscopy  is sensitive in the screening of diabetic retinopathy and has the superiority to detect the peripheral retinal lesions compare to the traditional 7field fundus photography. In addition, the ultrawidefield scanning laser ophthalmoscopy  has great significance for the screening,diagnosis and followup of other peripheral chorioretinopathy.