Chemotherapy is still needed after radiotherapy for nasopharyngeal cancer. Radiotherapy is the main treatment for nasopharyngeal cancer, so chemotherapy is still needed after radiotherapy. Currently, the main chemotherapy drugs are docetaxel, cisplatin or gemcitabine and cisplatin, which are given once every 3 weeks for 4-6 cycles. The side effects of chemotherapy are mainly related to the digestive system and hematological system, which will improve significantly or disappear after symptomatic treatment, and can also be combined with the use of targeted drugs, such as nitrozumab, during chemotherapy. In short, patients still need chemotherapy after radiotherapy, the chemotherapy cycle 4-6 cycles, there are certain side effects but can be tolerated, symptomatic treatment will be rapidly improved.