What is the cause of finger edema needs to be judged according to the actual situation: 1, if it is a limited finger edema of one hand, it may be caused by trauma, inflammation or mosquito bites, which can help to differential diagnosis from the history or appearance; 2, if both hands appear to be swollen, the local lesion is inflammation or allergy, and the systemic lesion is in the female, which needs to be excluded from the edema during menstruation, drug Allergies and cosmetic allergies caused by; 3, to exclude the above, is a systemic disease caused by substantial swelling, the most common is heart disease, kidney disease, rheumatic system diseases and endocrine system diseases, etc., each disease has a unique characteristics, you can do the corresponding urine, blood, some diseases need to do the immunological indicators in the blood to test for detailed differential diagnosis, the diagnosis is clear and appropriate treatment can be better. Only with a clear diagnosis and symptomatic treatment can the swelling go down better.