The utility model discloses an antifouling accessory of medical intubate, it includes: a sleeve pipe that is used for the suit outside medical intubate, set up and cover in the butt joint that is used for docking with patient's corresponding site of sleeve pipe one end, set up in the sleeve pipe other end be used for fix the connecting piece at medical intubate afterbody with it. The utility model discloses an antifouling accessory of medical intubate, simple structure, convenient to use, the problem of avoiding extracting medical intubate after stain environment improves the psychological comfort degree of extracting among the medical during intubation patient and nurse, reduces medical staff by all kinds of infection of infectious disease's danger.