Nasopharyngeal cancer can be prevented through the following aspects: 1. Diet: Reduce the intake of pickled food, which contains nitrite and will induce other cancers such as nasopharyngeal cancer. In addition, we should change the bad dietary habits such as smoking and drinking. 2. Behavior: Don’t stay up late at night and keep your emotions relaxed, long-term staying up late at night and being anxious will increase the risk of cancer. 3. Regular checkup: Nasopharyngeal cancer prevention requires regular physical examination of nasopharynx, including nasopharyngoscopy and EBV antigen test. If you find any swelling in nasopharynx or EBV antigen is obviously elevated, you need to go to otorhinolaryngology department for consultation in time. In particular, patients with a family history of nasopharyngeal cancer should have regular checkups. If the patient has the corresponding discomfort, it is recommended to go to the ENT department of regular hospitals to avoid delaying the condition.