Because of zinc deficiency after operation, the function of fibroblasts will decrease. Zinc mainly exists in foods such as fungus and kelp, so you should eat more of these foods. Lack of fat and lipid will lead to defect of wound healing. Fish oil is rich in fatty acids, which has anti-inflammatory effect and is also beneficial to wound healing. Therefore, if you want the wound to heal quickly, eat more fungus, kelp and fish!