Tri-oxygen therapy is a kind of green treatment, especially for patients with surgical disease, patient surgery is a kind of trauma, which can make the patient’s immunity decline, physical weakness, affecting the patient’s postoperative recovery. Three-oxygen therapy can be used as a preparatory treatment before surgery. 6-15 days before surgery, 6-8 times of three-oxygen macroautohemotherapy can improve the immunity of the body and enhance the patients’ ability to resist infection. Elective surgical patients with weak physique can be preceded by 1-2 courses of three-oxygen therapy, which is more conducive to the patients’ postoperative recovery and reduces the occurrence of complications. In addition, postoperative triple oxygen water for flushing can significantly promote wound healing, postoperative 1-2 days can also be about 10 times of triple oxygen therapy, can improve the patient’s appetite and sleep, improve the patient’s mental status, can reduce the patient’s wound pain, reduce wound inflammation and edema, and promote wound healing. The most gratifying thing is that the scar left by the wound is very light and has a cosmetic effect.