A half-centimeter deep cut on the neck of the foot will take about 15 days to fully heal, and if there is a secondary bacterial infection in the wound, the healing time will be prolonged, and it will take about 20 days. A half-centimeter cut on the neck of the foot should be promptly sent to the hospital, under the operation of the doctor, clean the wound to avoid infection, if the wound is larger and deeper also need to be stitched up. Under normal circumstances, the wound will gradually heal in about 15 days, but if due to improper care, etc., resulting in secondary bacterial infection in the wound, will affect the wound healing, so that the healing time has been extended, about 20 days. Therefore, the specific healing time should not be generalized, but depends on the actual condition of the patient. After a cut on the neck of the foot, you should go to the hospital on a regular basis to change the medicine, keep the area clean and dry, and promote the healing of the wound.