There is no specific treatment for prions once they have infected the human body, and the main focus is on preventing the body from being infected with prions. Prion structure is very special, is a kind of virus composed only of proteins, the virus mainly invades the central nervous system of humans and animals, and easy to occur hidden infection, after the onset of serious symptoms, no specific treatment, the most important thing is to support the treatment, symptomatic treatment, to alleviate the patient’s pain. Prions are mainly preventive, and currently the commonly used methods to prevent prion infection include eliminating animals known to be infected by prions, such as diseased cattle, and strictly prohibiting the consumption of their meat. Prohibit the consumption of food suspected of being contaminated with prions, and rule out the possibility of prion infection in organ transplants. Preventing contact between prion-infected people and healthy people.