Cancer chemotherapy is recommended to be combined with herbal medicine. Because chemotherapy has side effects, Western medicine now also has drugs against chemotherapy side effects, but it is recommended to take Chinese medicine. Because Chinese medicine is very effective against chemotherapy side effects. There are many common chemotherapy side effects, but Chinese medicine is very effective in relieving chemotherapy side effects, and the treatment centers on the spleen and stomach, and the spleen and stomach in order to nourish the qi and blood. Chinese medicine for chemotherapy side effects is not only recognized by Chinese medicine, but also advocated by Western medicine that Chinese medicine must be given for a long time to relieve chemotherapy side effects and increase the efficacy. Chemotherapy side effects after treatment with Chinese herbal medicine, such as immune decline in patients given Astragalus, Radix Codonopsis, Fructus Lycii, Radix Rehmanniae, Atractylodes, Poria, Licorice type, can enhance the immune capacity, but also to alleviate chemotherapy side effects. Gastrointestinal reactions are most common and can be given to Atractylodes macrocephala, Poria, Chen Pi, Mu Xiang, Zhu Ru, Sha Ren and other stomach harmonizers and appetizers to help adjust the gastrointestinal function more quickly and alleviate gastrointestinal side effects. Bone marrow suppression due to chemotherapy is also common, for example, patients with declining white blood cells, commonly known as blood cell decline, will be given drugs to raise the blood image, such as astragalus, wolfberry, rehmannia, jujube, can improve the patient’s hematopoietic function. There are also many kinds of drugs that can be used for chemotherapy side effects to do some targeted treatment, and when choosing Chinese medicine, it should also be used according to the physical evidence.