The redness of the palms should be checked for blood counts and coagulation function to see if there is any coagulation disorder that could lead to subcutaneous bleeding. If there is subcutaneous bleeding, it will be manifested as red palms. If there is indeed a coagulation disorder, to go to a professional hematology department for targeted treatment, the effect is better, need to do bone marrow aspiration to confirm the diagnosis of the type of blood disease. The phenomenon of red palms may also be caused by hypoxic diseases, such as heart disease, asthma patients, the palms will often show purplish red, the color is relatively dark. In addition there are some fever phenomenon, blood circulation will also be faster, may also lead to the symptoms of red palms. There are also allergic causes of red palms, often with a history of exposure to allergens, in addition to the redness of the palms of the phenomenon, will be accompanied by skin itching or the appearance of a rash.