Detachable noise-proof stethoscope

The invention discloses a detachable noise-proof stethoscope. The detachable noise-proof stethoscope includes a listening head, a connecting pipe, a first connecting component, an inlet part, an elasticity transmission part, a second connecting component, a telescopic rod, a sound listening part, a sound insulation component and a sliding device, wherein the upper end of the listening head is fixedly connected with the lower end of the connecting pipe, and the upper end of the connecting pipe is provided with the first connecting component; the upper end of the first connecting component is provided with the inlet part, and the upper end of the inlet part is fixed with the elasticity transmission part; the upper end of the elasticity transmission part is provided with the second connecting component, and the upper end of the second connecting component is provided with the telescopic rod; the upper end of the telescopic rod is provided with the sound listening part, and the outer side of the sound listening p