The dynamic mechanical model based on basic count of Minitype electric Garbage truck was built through the basic research theory on design of electric garbage truck.The paper designed the electric garbage truck whose door is opened from its back and tested the overall performance.The results indicated that the match results on electrical system parameters were basically consistent with the experimental results,and the every performance index of the car had reached the technical requirements of Ministry of Science and Technology,and it is proved that the design of the car is reasonable.