Tumor-targeted drugs should be purchased in regular hospitals or regular pharmacies under the guidance of doctors, and genetic testing should be done before using the drugs under the guidance of doctors. Tumor-targeted drugs have been very common, and can be purchased in various large hospitals such as Grade 3A hospitals or designated drug purchasing units, and genuine targeted drugs can be purchased with prescription. Different types of targeted drugs are used for different tumors, and genetic testing should be done before use of the drugs, and targeted drugs for specific target points should be selected according to the test results. The drugs should be used in strict accordance with the doctor’s prescription, and should not be used blindly or purchased through irregular channels.