According to the different conditions of fundus hemorrhage, choose the appropriate laser treatment. Mainly include the following: 1, yellow laser, krypton laser, these are multi-wavelength laser, and krypton yellow laser, krypton green laser, krypton red laser, the laser is formed in the non-macular lesion area in the fundus, to achieve the purpose of closing neovascularization, closing the fissure, etc.; 2, photodynamic therapy: this laser is through the photochemical effect, the role of the abnormal blood vessels or abnormal tumor vessels in the fundus, can play without avoiding the macular lesion area. It can serve the purpose of treatment without avoiding the macular lesion area; 3, TAG laser, micro pulse laser: all are common lasers applied to macular lesion area. The specific treatment should be selected according to the patient’s specific disease.