The duration of initial chemotherapy hospitalization is not clearly defined, it may be 1 to 3 days, or about a week or even longer. Chemotherapy is mainly the use of chemical drugs, and is one of the most important means of tumor treatment at present. Chemotherapy needs to be defined according to the time of chemotherapy program, and before and after chemotherapy also need to carry out blood routine, liver and kidney electric sugar and other tests, the specific hospitalization time can not be a single judgment, but the more common clinical initial chemotherapy time may be 1~3 days, or may be a week or so, or even longer. Chemotherapy can have side effects on the body, and the body may experience hair loss, nausea and vomiting, etc. If the side effects are more serious, the body needs to inform the doctor in time, so that the doctor can adjust the chemotherapy program.