General chemotherapy a few times hair loss can not be sure, there may be hair loss but not necessarily will fall out, hair loss and personal constitution and chemotherapy drugs and so on related. Chemotherapy drugs enter the human body, in killing tumor cells at the same time will also cause damage to the normal growth of cells. Hair roots, which are extremely vigorous growth areas, are easily inhibited by chemotherapy drugs, resulting in cell death in the hair follicles and causing hair loss. The extent of hair loss is related to the type, method and dosage of the drug used, and can also vary from person to person. Hair loss caused by chemotherapy drugs can be relieved by using the tourniquet method, wearing an ice cap on the head, and regulating diet and psychology. Hair loss from chemotherapy will grow back when chemotherapy is stopped. Hair loss is a very common side effect of chemotherapy. Patients are advised to cut their hair short and wear a suitable wig or headband before chemotherapy, and if they have any uncomfortable symptoms, they are advised to go to the hospital for a clear diagnosis and guidance on treatment from a specialist.