The cost of one course of immunotherapy does not have a clear value, which is mainly related to the patient’s condition, ranging from 10,000 to 40,000 dollars. Immunotherapy is a new type of treatment, which mainly uses drugs to enhance one’s own immune ability, so as to actively recognize and attack tumor cells, and can be used to treat various non-small cell tumors, such as kidney cancer, melanoma and non-small cell lung cancer, etc. The commonly used drugs are interferon α2b injection and pabolic zilizumab, etc. Generally speaking, a course of treatment lasts for 21 days. Generally speaking, immunotherapy mainly takes 21 days as a course of treatment, and the cost of each course of treatment ranges from 10,000 to 20,000 dollars. However, if the patient’s condition is more serious and there is a certain degree of drug resistance, then the treatment cycle may be relatively longer, up to about 28 days, at which time the cost of treatment will increase accordingly, ranging from about 30,000 to 40,000 dollars. As immunotherapy may cause some harm to the patient’s body, resulting in various adverse reactions, such as redness, swelling, pain, etc., so patients should strictly follow the doctor’s arrangements during the treatment period, and never self-medication, so as not to aggravate the condition.