There are blue lumps on the feet, may be trauma after local bleeding, abnormal coagulation function, platelet abnormality subcutaneous bleeding, or other reasons, you need to go to the hospital in time to find a doctor’s interview, the doctor combined with the examination of the initial judgment. If there is trauma routine perfect X-ray examination to rule out the existence of fractures and other conditions, if there is no trauma can be perfect blood routine, coagulation routine and other indicators of measurement, according to the results of the examination and then do the appropriate treatment. If the trauma is local soft tissue injury bleeding, injury within 24 hours of local ice packs, 24 hours later you can bubble hot water, spray some blood circulation drugs, such as Yunnan Baiyao aerosol to help recovery.