Nasopharyngeal cancer can eat iodized salt. Nasopharyngeal cancer is a malignant tumor with high incidence rate, which is mainly treated by radiotherapy, chemotherapy and surgery. In general, there is no special dietary contraindication and iodized salt can be eaten without special harm to the disease. And iodized salt is to increase the iodine preparation after the edible salt, consumption can supplement the human body needs of trace elements. In addition, we should pay attention to the diversity of diet, improve nutritional intake, give light and easy-to-digest food, and avoid fried, spicy, raw and cold food. Nasopharyngeal cancer should be detected, diagnosed and treated at an early stage to improve the cure rate of the disease. It is necessary to pay attention to regular review in daily life to monitor the change of condition, and go to the hospital in time if there is any discomfort.