The appearance of swollen feet in patients with advanced gastric cancer indicates that the tumor is very advanced, with systemic hypoproteinemia and impaired nutritional function, which can usually last for about six months. If the patient’s nutrition can be improved, it is possible to maintain for about one year. Patients with advanced gastric cancer will have tumor spreading in the abdominal cavity or tumor metastasis, vague pain in the abdomen, or pain of distension and paroxysmal pain, as well as reduced food intake, and reduced exhaustion and defecation, ascites and abdominal distension, and in severe cases, malnutrition, emaciation, cachexia and so on. In the biochemical indicators, patients may have anemia, hypoproteinemia, and even abnormal liver function, mainly dehydration and electrolyte disorders in the body. If nutritional support can be provided and the water-electrolyte disorders can be improved, it is usually possible to prolong the period of time.