There are not many targeted drugs for small cell lung cancer, and genetic testing is needed, but not as a necessary testing program for first-line treatment. Nowadays, there are not many targeted drugs for small cell lung cancer, if you want to take targeted drugs for treatment, it is necessary to perform genetic test to determine whether it is suitable or not according to the gene mutation situation and the suitable targeted drugs, so it can be seen that it is necessary to do genetic test for small cell lung cancer. Genetic testing for small cell lung cancer mainly includes surgical specimen, malignant pleural (abdominal) fluid biopsy and puncture biopsy, among which surgical resection specimen is the most accurate, which can provide strong support for the selection of targeted drugs in the later stage; and the more commonly used targeted drugs in the clinic are Anilotinib Hydrochloride. Please strictly follow the doctor’s instructions, do not self-medication.