Bleeding of subcutaneous blood vessels at the finger joints may be related to trauma, abnormal coagulation function, and anaphylactic purpura, etc. The main treatments are hemostasis, supplementation of coagulation factors, and anti-allergy treatment. 1. Trauma: when the local tissues are hit by external force, it will lead to the rupture of subcutaneous blood vessels and bleeding, which can be manifested locally as bruises under the skin. In the treatment, cold compresses and topical hemostatic drugs can be used to stop bleeding. 2. Abnormal coagulation function: lack of coagulation factors and reduction of platelet count due to various reasons will also be manifested as rupture of subcutaneous blood vessels and bleeding, which may be accompanied by nosebleed or gum bleed, etc. In terms of treatment, it is mainly to deal with the cause of the disease. In the treatment, it is mainly for the cause of the disease. 3. Anaphylactic purpura: a vasovagal allergic reaction disease, mainly manifested as bleeding spots or bruises under the skin mucous membrane, rest and topical glucocorticoid (mometasone furoate cream) can be used. In more severe cases, glucocorticoids (prednisone) or even combined cytotoxic drugs (cyclophosphamide) may be given systematically. Due to the different causes of the disease and different treatments, it is important to have a doctor’s consultation first for specific cases and to follow the doctor’s instructions for standardized treatment. Medications need to be used as prescribed.