The itchy wound may be related to the growth of granulation tissue and wound infection. 1. Granulation tissue growth: patients with itchy wounds may be due to the wound granulation tissue and fibrous connective tissue is growing, stimulate the wound and the surrounding skin nerve fibers, resulting in itchy wounds, which belongs to the normal phenomenon of wound healing, no need to be overly nervous, pay attention to observation. 2. Wound infection: when the wound is infected with bacteria, triggering inflammation or pus in the wound area, it may lead to redness, swelling and yellow secretion in the wound, and some patients also have itchy, tingling and other symptoms in the wound. It is recommended that the patient should consult a doctor for timely examination and targeted treatment according to the wound condition, and the patient should also strengthen the wound care, change the medicine regularly, and consult a doctor if necessary.