The invention discloses a plastic medical waste collection device. The plastic medical waste collection device mainly comprises a shell, a primary smashing device, a disinfection device, a secondary smashing device, a briquetting device, a control device and a power supply. The shell comprises a primary smashing chamber, a disinfection chamber, a secondary smashing chamber and a containing chamber. The primary smashing device is arranged inside the primary smashing chamber. The disinfection device is arranged inside the disinfection chamber. The secondary smashing device is arranged inside thesecondary smashing chamber. The briquetting device is arranged inside the containing chamber. The control device comprises a controller, a receiver and a control display. The controller is connectedwith the primary smashing device, the disinfection device, the secondary smashing device, the briquetting device, the receiver and the control display. The power supply supplies electricity to the primary smashing device, the disinfection device, the secondary smashing device and the briquetting device. The plastic medical waste collection device is compact in structure and reasonable in design, the treatment time for plastic medical waste is shortened, and the working efficiency is improved.