A breast pump with an electric heating cover (1) comprises a container (3), a main machine part (2) which is positioned above the container (3) and communicated with the container(3), and the electric heating cover (1) which is positioned at the front side of the main machine part (2) and communicated with the container (3), the main machine part (2) comprises a miniature electric vacuum pump inside, and the electric heating cover (1) comprises an inner layer (11) and an outer layer (12) which are integrated, an electric heating component and heat insulation cotton (14) are also arranged between the inner layer (11) and the outer layer (12), and the heat insulation cotton (14) is positioned between the outer layer (12) and the electric heating component, positive and negative electrodes of the electric heating component are connected with a conducting plate (15) fixed on the inner side of the outer layer (12) through connecting lines, and a part of the conducting plate (15) is exposed out of the outer side surface of the outer layer (12) and is in mutually-buckling contact with a contact plate (21) below the front end of the main machine part (2) for electrical connection. The breast pump has the beneficial effects that as the electric heating cover (1) is arranged, the breast pump is fashionable and delicate in appearance and a mother using the breast pump may not associate that current exists in the electric heating cover, therefore, the mother has more security.