Flash tendon is actually a sprain or strain of tendon, tendon is muscle or tendon. In this case, it is recommended that the patient first apply cold compresses, because within 24-48 hours after the strain is the acute phase, during which cold compresses can relieve local pain and swelling, and can prevent bruising and bleeding. After the acute period, the patient’s course will enter the recovery period, you can choose to do hot compresses, hot compresses can reduce swelling and promote the absorption of bruises, you can also choose to use blood circulation aerosol or wine to apply local, the sprain or strained parts will gradually recover, depending on the degree of strain, the recovery time is different, it takes about 7-10 days.