The application discloses a detachable dispensing device for cold drink and a cold drink machine. The dispensing device for cold drink comprises a dispensing tray, a housing, and a handle; the housing is provided with a first dispensing outlet, the dispensing tray is provided with a second dispensing outlet, the dispensing tray is detachably mounted on the outer side of the first dispensing outlet of the housing, the first dispensing outlet is connected to the second dispensing outlet, and the dispensing tray is configured to seal the first dispensing outlet. In this application, the dispensing tray can be replaced or cleaned separately, which reduces the difficulty of replacing the dispensing tray and solves the problem of difficulty in cleaning the equipment due to the traditional dispensing tray being difficult to disassemble.