Symptoms of postoperative metastasis of gastric cancer are related to the patient’s metastatic location. They are mainly manifested as liver metastasis, peritoneal metastasis, bone metastasis and so on. 1. Liver metastasis: if metastasized to liver, it may be accompanied by loss of appetite and emaciation. When the lesion is large, patients can feel the mass in the right abdominal liver area. 2. Peritoneal metastasis: the main symptom manifests as ascites. When some patients have a large amount of ascites, the symptom will be more obvious, and they will feel that their abdomen swells up for an unknown reason, and the amount of urination will decrease gradually. Because the water incorporated cannot be discharged, it can only accumulate in the abdominal cavity. The most obvious will also have a loss of appetite, due to abdominal distension, can not eat too much food. 3. Bone metastasis: generally dominated by local bone pain, often accompanied by anemia, fever, bleeding, bone fracture, etc. After metastasis, all of them will seriously affect the quality of life of gastric cancer patients7 and need symptomatic treatment to alleviate the pain. Postoperative stomach cancer patients should go to the hospital for regular rechecking, so as to achieve early diagnosis and early treatment and reduce the possibility of recurrence and metastasis.