The invention provides an environment-friendly medical infectious disease prevention type waste collecting device. The environment-friendly medical infectious disease prevention type waste collecting device comprises a frame body, a material receiving device, a rolling wheel device, a baffle device, a smashing device and a heating device. The material receiving device comprises a material receiving hopper, first pushing rods, first air cylinders, first supporting plates, first brackets, first positioning rods, first cross rods, first springs and second brackets. The rolling wheel device comprises first supporting blocks, rolling wheels and a second cross rod. The baffle device comprises first inclined plates, a second air cylinder, a second pushing rod, a first baffle, a first cross plate, a second supporting plate, a third bracket and a first inclined rod. The smashing device comprises smashing wheels, smashing teeth, a first bent plate, a second bent plate, a third bent plate and a fourth bent plate. The heating device comprises a material collecting hopper, a heat dissipation frame, a heating rod and power sources. According to the environment-friendly medical infectious disease prevention type waste collecting device, medical waste can be collected in a sealed mode, the spread of infectious diseases can be effectively prevented, and predisinfection can be conducted on the medical waste to kill some bacteria, so that the effect of environmental protection is achieved.