Scleral hemorrhage is commonly caused by the following reasons: first, accidental bruising of the eye, resulting in rupture of small blood vessels in the sclera, causing lamellar hemorrhage, which mainly manifests as red patches on the white eye, usually occurring in isolation, without obvious symptoms such as eye pain and vision loss, and can be naturally absorbed in about 1-2 weeks. Secondly, due to the lesion of blood system, resulting in abnormal coagulation function, causing eye manifestations, such as hemophilia, thrombocytopenic purpura, bleeding spots on the sclera are scattered in multiple places, combined with bleeding in multiple tissues such as the skin of the whole body. It needs to be treated in hematology, and it is less likely to appear after the coagulation function is restored to normal. Third, sclerositis, especially necrotizing sclerositis, inflammation destroys the vascular wall of the sclera, resulting in bleeding from vascular leakage.