The common causes of itching on the body after chemotherapy are as follows: 1. Chemotherapy drugs may cause itching of the skin, which is an allergic reaction, and it is more common clinically for gemcitabine and paclitaxel-type drugs to cause itching of the skin. Patients often use the drugs, itching is more serious, interrupting chemotherapy if it can be tolerated, but can not relieve can use anti-allergy drugs, if it can relieve can end the chemotherapy course; 2, if the elderly patients, itself will also appear dry skin leading to itchy skin, chemotherapy will promote its more itchy after. Patients use skin care lotion, mainly to avoid dry skin. If it is winter, try to avoid bathing every day, you can reduce the number of baths. The itching will be more serious after the sebum is removed because of the hot water in the shower; 3. Some adjuvant drugs during chemotherapy, such as proton pump inhibitors, also have allergic reactions that cause itching of the skin. In short, the itching of the skin during chemotherapy should be considered drug-induced, as well as the underlying disease of the patient’s skin, which should be considered.