In this solution, we provided a blister machine for chocolate product, the blister feeder contains a hopper and Pneumatic plunger pump, the hopper adopts double jacketed heating function, it can preserve a certain temperature to ensure the liquidity of chocolate, the heating medium between the double jacket is water, the maximum temperature is 100 degrees Celsius, so the chocolate would nerve be overheated or burned; Inside the hopper equipped a agitator to stir the chocolate evenly, in this way, the chocolate is available to be fed at any time, such as after lunch break or any down time.