Summary of case history, Shi, male, 54, constipation, abdominal distension and pain after appendectomy for 5 days. The patient had no obvious cause of right lower abdominal pain 7 days ago, showing persistent pain, paroxysmal aggravation, with fever, and the body temperature was up to 38.5 °C. Five days ago, he was admitted to the Second Affiliated Hospital of Fujian University of Traditional Chinese Medicine. 'Appendicitis' was planned to be admitted to the hospital. 'Laparoscopic appendectomy' was performed. The operation process was smooth. After operation, anti-infection, rehydration, gastric protection and other treatments were given. However, the postoperative patients continued to have bowel obstruction, abdominal distension and abdominal pain. The CT examination showed small intestinal obstruction. The inflammatory index increased on October 20, 2020. Professor Zhang Xikui was invited to consult. Professor Zhang identified this case as Shaoyang Yangming comorbidity, treatment of Shaoyang, Tongfu Xiere, prescription modified ,Dachaihu ,Decoction treatment, after defecation, abdominal distension, abdominal pain relief, inflammation returned to normal.,Symptoms and signs ,Dysuria, abdominal distension, abdominal pain, dry mouth and thirst, hot, red tongue moss yellow greasy, pulse string and fast.,TCM disease and syndrome, Constipation (shaoyang yangming disease),TCM treatment ,harmonizing and releasing shaoyang,eliminating heat by purgation.,Western medicine diagnosis ,paralytic ileus.,Diagnostic methods, belly computed tomography.,Therapeutic methods ,Modified ,Dachaihu ,Decoction for 7 days.,Clinical outcomes ,Intestinal obstruction was relieved, abdominal distension and abdominal pain were relieved, and infection was controlled.【,Dachaihu ,Decoction