How long does it take for the wound to shed clear liquid and scab with the patient’s physical quality, the size of the wound, the depth of the wound, the degree of local contamination, whether or not to get timely treatment and other factors, can not be generalized. Under normal circumstances, the wound within 48 hours of light yellow, bright transparent liquid outflow, is a normal phenomenon, the composition of the liquid for the tissue fluid, tissue fluid is also extracellular fluid, constitutes an important part of the human body environment, play a role in maintaining the stability of the human body environment. If the wound is small, and the patient’s self-healing ability is strong, there is no obvious infection, usually 2-3 days after the outflow of transparent liquid can be scabbed. If the wound is deeper, the degree of infection is more serious, the patient’s physical quality is poor, can extend the scab time, usually 5-7 days after the flow of clear liquid can be scabbed, some patients even need 2-3 weeks to scab. However, it should be noted that some patients are infected underneath the scab after scabbing, and should go to the hospital in time. In addition, during the period of wound healing, patients are advised to pay attention to wound cleaning and disinfection, avoid eating spicy and stimulating food, and avoid staying up all night to promote wound recovery.