Nasopharyngeal cancer needs to be avoided in the diet as follows: 1. Avoid salted fish, salted meat, pickled products, and foods with high nitrite content. These foods may lead to the occurrence of nasopharyngeal carcinoma, and they are the main reasons for its prevalence in Guangdong. 2. Don’t eat betel nut, many people in Hunan love to eat betel nut, and it is addictive and addictive. 4. Some people like to eat aflatoxin-based foods, i.e. stinky tofu, which can lead to nasopharyngeal cancer.