Patients who have accidentally cut their hands with a knife in their lives are advised to go to a regular medical institution for appropriate treatment in the first instance, and to follow the doctor’s advice. If you need to inject tetanus antitoxin, it is best to do so to prevent infection, and if the wound is deep, suture treatment should be performed when necessary. If the wound is not very big, you need to pay attention to it, you need to flush the wound with saline, you can also flush it with soap and water, after flushing, disinfect it with iodine volts if possible, pay attention to the dressing to ensure that it is sterile, for deeper wounds or heavy contamination, you need to go to the hospital and flush it with hydrogen peroxide in time. The subsequent also pay attention to regular local iodine disinfection, do not get wet, in daily life injuries should try not to lift heavy objects or too much touching contaminated things to avoid affecting the healing of the wound. In the diet eat more high-protein food to promote wound recovery, eat more light food, eat less spicy stimulating food, can be appropriate exercise to recover.