There are various kinds of tonic products in the market, including ginseng products, turtle and turtle, cordyceps, bird’s nest and many other series. Because of the advertisements, patients are at a loss as to how to choose and whether they should use them. 1.Positioning of supplements: Diet and nutrition, anti-cancer must be put in the first place, and supplements are secondary. Eat more foods rich in vitamin and selenium, and eat more garlic oil to prevent stomach cancer. The best way is to take in the necessary nutrients through food, while supplements can only play a supplementary role in one aspect. 2.It is best for stomach cancer patients to consume supplements under the guidance of doctors: as some supplements have not undergone strict experimental research and thoughtful clinical observation like drugs, some effects are yet to be verified, and because of different varieties of supplements, the efficacy of chess is different. 3.Appropriate choice of tonic: Generally choose 1-2 kinds of tonic, eaten in moderation every day, can have certain benefits, such as drinking ginseng royal jelly, one in the morning and one in the evening, has the effect of invigorating the spirit and promoting physical recovery. 4, should not be large tonic: Some patients use several kinds of tonic, or drink a lot of royal jelly every day, after taking dry mouth, irritable temperament. Some patients take ginseng excessively, resulting in diarrhea, which is due to “deficiency of tonic”. These patients did not achieve the desired effect, but had side effects, so they must take the tonic in moderation.