This paper mainly studies the window glass lifting motor of automobile, among which there are many kinds of DC speed reducing motor. In this paper, the micro worm gear reduction motor in the DC reduction motor is discussed. It is one of the most commonly used motors in the reducer and is commonly used in the fields of ships, automobiles, locomotives, industrial equipment, automation equipment and aviation. Micro worm gear reduction motor is usually used for secondary operation on the reducer. In this way, the window glass was developed, designed and manufactured, and a one-stop assembly with typical mechatronic functions was completed. The motor has the characteristics of compact structure, light volume and high efficiency. Easy installation, flexibility, superior performance and easy maintenance; Stable operation, low noise, durability, strong availability, safety, reliability and durability. The miniature worm gear reduction motor can be used for manufacturing plastic and metal products and can be determined according to the actual needs of users. The power, model, specifications and parameters of the reducer are required. The motor is mainly used for the front windshield lifting motor of large vehicles, with strict quality management.