The global incidence of lung cancer ranks second among cancers, which has caused a serious burden on patients’ family and society. Chemotherapy is a common treatment for lung cancer, which often leads to a decrease in patients’ physical function and quality of life. Pulmonary rehabilitation during perioperative period of lung cancer has received extensive attention, but pulmonary rehabilitation during chemotherapy of lung cancer has not been paid much attention. This article reviews the role of rehabilitation during chemotherapy for lung cancer, and focuses on the role of rehabilitation during chemotherapy for lung cancer patients with different treatment programs. The purpose is to promote the research and promotion of rehabilitation training in lung cancer patients receiving chemotherapy, so as to further improve patients’ function and quality of life.