Running wounds with broken skin are usually difficult to scab over quickly. Running water may be caused by normal physiological factors such as exudation of tissue fluid, or it may be caused by infection, liquefaction of fat in the wound, and other factors. Depending on the cause of the wound, it can be treated by changing the dressing and draining the wound. 1. Normal physiological factors: the physiological situation of water in broken wounds is due to abrasion caused by local skin damage, epithelial cell loss will appear after the tissue exudate, most of the plasma-like exudate, yellowish. Generally do not need to treat, to be sterilized with povidone-iodine, sterile gauze bandage, regular medication change treatment, can be recovered on their own. 2. Infection: Infection caused by the wound does not heal, outflow of yellow water for purulent secretion, should be actively for debridement, dressing change treatment, drainage of purulent secretion, and to be taken amoxicillin, cefaclor and other antibiotic treatment. 3. Wound fat liquefaction: once the patient wound fat liquefaction, need to pay attention to debridement treatment, remove necrotic tissue, regular dressing changes, drainage of fat fluid and other dispositions. If the patient has a wound running for a long time does not heal the situation should immediately go to the hospital, under the guidance of the doctor in a timely manner to clean the wound and change the medicine, timely use of antibiotics to prevent infection, keep the local dry to promote the scab.