I. Dietary priorities Protein is the basic nutrition of human body. After chemotherapy, cancer patients have serious protein deficiency in their body, so they should supplement more high protein foods, such as milk, adzuki beans, animal liver, red dates, lean meat and fish. River crab, beef, black fish and eel help to raise white blood cells. The multivitamins in fresh fruits and vegetables can improve the antioxidant ability of the body and also promote appetite. After chemotherapy, it is advisable to eat more asparagus, cabbage, carrots, tomatoes, kiwi, grapes, strawberries, watermelon, apples and other fruits and vegetables rich in vitamins. Second, the key to assist anti-cancer Various side effects often occur after chemotherapy, which make people suffer a lot, proper selenium supplementation can reduce these pains. Selenium is a strong immunomodulator, which is called the “king of cancer prevention” among trace elements by scientists. Its strong oxidizing and anti-cancer effects can improve the immunity of cancer patients, effectively inhibit the growth and spread of cancer cells, and reduce the side effects brought by chemotherapy, taking selenium malt and other selenium supplements is the mainstream method of adjuvant anti-cancer. After chemotherapy, cancer patients can eat more eggs, seafood, lean pork, animal liver, mushrooms and other foods with high selenium content.