The hepatitis B virus can survive for up to about 6 months on in vitro sheets, but only 10 minutes after heat treatment. The pathogen of hepatitis B is the hepatitis B virus, which is very resistant to low temperature, ultraviolet light and general concentration of disinfectants. The survival time of hepatitis B virus on in vitro bed sheets is mainly affected by temperature, generally hepatitis B virus can survive at room temperature for about 6 months, if the room temperature is about 37 ℃ can survive for about 1 week. Usually the sheets and other household items that hepatitis B patients come in contact with need to be strictly disinfected and sterilized to avoid infection. It is recommended to avoid contact with secretions, body fluids and blood of hepatitis B patients, and to actively cooperate with professional doctors to guide the treatment plan after the diagnosis of hepatitis B.