Patients with advanced gastric cancer can consume Cordyceps sinensis, which is a tonic Chinese medicine containing cordycepin that can regulate immune function, nourish lungs and kidneys, and improve patients’ mental state, but it is not effective for the treatment of gastric cancer itself, so it should be consumed in moderation, and excessive consumption will damage liver and kidney functions. In addition, patients with advanced liver cancer mainly improve symptoms, relieve pain and prolong life span, meanwhile, they should pay attention to diet and try not to use indigestible food because it may cause bleeding and endanger life, so they should eat more vegetables and fruits which are rich in vitamins.