High-reliability miniature water pump with flow stopping function

The invention discloses a high-reliability miniature water pump with a flow stopping function. The miniature water pump comprises an upper cover, a bottom cover, a cylinder body and a valve plate, wherein the bottom cover is connected to the upper cover, and the cylinder body and the valve plate are arranged between the upper cover and the bottom cover; a driving motor is arranged on the other side, opposite to the upper cover, of the bottom cover, and a motor mounting groove allowing the driving motor to be embedded is formed in the lower part of the bottom cover in an integral forming mode;a pair of leather cup bodies used for realizing liquid pumping through compression and expansion are arranged between the valve plate and the cylinder body; an output shaft of the driving motor is connected to an eccentric wheel, and a T-shaped swing frame is arranged on the eccentric wheel; and the upper parts of the leather cup bodies are in a bowl shape, and the lower parts of the leather cup bodies are connected to co