Chemotherapy is one of the main treatments for lung cancer, but the toxic side effects caused by chemotherapy seriously affect the survival quality of patients, among which the incidence of anemia can be more than 50%. Chinese medicine can improve the immunity of the body, improve the survival quality of patients and reduce the toxic side effects of chemotherapy. According to Chinese medicine, chemotherapy tends to damage qi and blood, causing liver and kidney deficiency, spleen and stomach disorder, and eventually accumulating bone marrow. The treatment is to nourish the qi and blood, strengthen the spleen and stomach, and nourish the liver and kidney. Specific medications are as follows: 1. Gastrointestinal reaction: use Xiang Sha Liu Jun Zi Tang to strengthen the spleen and stomach and regulate qi. 2, bone marrow suppression: Radix et Rhizoma Atractylodis Macrocephalae, Radix et Rhizoma Polygonati, Fructus Lycii, etc., to nourish the liver and kidney and tonify the qi and blood. 3, liver function injury: Yin Chen Da Huang Chai Hu Dan Pi Yu Jin Hu Gan, etc., dredge the liver and bile, clear heat and dampness. 4, kidney function injury: Zelenia alba, Rhizoma atractylodis Macrocephalae, Cornu Cervi Pantotrichum, Poria, Xian Ling Spleen, Angelica Sinensis, etc., benefit the kidney, strengthen the spleen and promote water. 5, hair loss: Dangpi He Shou Wu Agaricus Bupleurum, Radix et Rhizoma Polygonati, etc., tonifying the kidneys, nourishing blood, invigorating blood and regenerating hair. 6, systemic reactions: Radix et Rhizoma Atractylodis Macrocephala Jujube Poria, etc., benefit the Qi and nourish the Blood. 7, toxic myocarditis: Radix Codonopsis pilosulae Radix et Rhizoma Chuan Dong Dao Jujube Paeoniae etc., nourishing the heart, invigorating the blood and calming the mind.