Stethoscope special for infectious disease patient

The utility model relates to the field of medical treatment, in particular to a special stethoscope for infectious disease patients, which comprises earplugs, a support, a sound guide tube and a stethoscope head, a spring piece is arranged on the support, a limit block is arranged at one end of the sound guide tube close to the stethoscope head, a transition tube and a disinfection box are arranged between the limit block and the stethoscope head, and the stethoscope head is connected with the support. The disinfection box is a cuboid hollow box, a hole is formed in the bottom face of the disinfection box, the disinfection box is arranged on the transition pipe in a penetrating mode, an ultraviolet lamp is arranged in the disinfection box, a switch button is arranged on the outer wall of the disinfection box, the disinfection box and the limiting block are connected through a clamping block and a clamping groove, and the clamping block is an elastic cuboid block obliquely arranged at the lower end of the disi