If there is a bruise on the foot, it may be caused by local bleeding after trauma, abnormal coagulation function, abnormal platelet bleeding under the skin, or other causes, and it is necessary to go to the hospital to see a doctor in a timely manner, who will make a preliminary judgment with physical examination. If there is trauma routine perfect X-ray examination to exclude the presence of fractures and other conditions, if there is no trauma can be perfect blood routine, coagulation routine and other indicators to determine, according to the results of the examination and then do the corresponding treatment. If the injury is local soft tissue injury bleeding, local ice can be applied within 24 hours of the injury, and after 24 hours, hot water can be bubbled and some blood-stasis-activating drugs, such as Yunnan Baiyao aerosol, can be sprayed to help recovery.