Concealable breast pumping device

A concealable breast pumping device, comprising:

• a primary unit, one end thereof concaved inward to form a channel;
• wherein, an outer edge of the primary unit extends outward to form a protruding portion, the protruding portion has a port, the port communicates with the channel, a center of the other end of the primary unit is concaved inward to form a concave portion, and an inner wall of the concave portion has a spiral convex portion;
• a squeezing unit, also regarded as a cover body structure, covered on the one end of the primary unit;
• to a milk collection bag, one end thereof connected to the protruding portion, and the other end having a opening;
• wherein, two sides of the opening respectively extend to form two extending portions, and the two extending portions are gripped by a gripping tool selectively;
• a stop valve, positioned in the milk collection bag and one end of the stop valve connected to the protruding portion;
• wherein the other end has a gap, the gap is able to opened and closed movably, the stop valve has a flow path, one end of the flow path communicates with the port, and the other end communicates with the gap;
• and
• a driving unit, a main body thereof respectively extending outward to form an engaging portion and a controlling portion;
• wherein, the engaging portion and the controlling portion are hollow structures, an inside of the engaging portion communicates with an inside of the controlling portion, the engaging portion is detachably jointed with the other end of the primary unit, and the controlling portion is connected to an external device.