Gum flap surgery refers to gingival flap surgery, postoperative precautions include wound care and dietary care. Patients should pay attention to oral hygiene after gingival flap surgery, do not rinse or brush teeth within 48 hours, so as not to cause the affected area of blood clot shedding, resulting in secondary infection or bleeding; for the surgical site of the use of plugging agent gingival flap surgery patients should, when brushing the teeth should be avoided when the surgical site, to prevent the drug fall off. After gingival flap surgery, patients should eat fluids, and pay attention to the food should not be too high temperature, the temperature should be maintained at 40 degrees or less, so as to avoid the blood vessels are stimulated by abnormal contraction caused by bleeding. In addition, patients should avoid eating coarse fiber foods, which may cause wound suture entanglement or accumulation of food. If you have any discomfort after the gum flap surgery, you should go to the hospital in time and consult your physician for guidance.