The invention discloses a manual breast pump, which comprises a feeding bottle for storing breast milk, a breast pump body and an operating handle, wherein the breast pump body is connected with the feeding bottle through a connection part arranged on the breast pump body the body comprises a collection part and a low-pressure chamber which is connected with the collection part through a communication hole an adjusting device is arranged on the operating handle the adjusting device is a rotary body with a knob structure the front end of the rotary body is provided with a protruded part and a flat part which form a positioning component and the rotary body is clamped on a lock hole formed on the arc surface of the operating handle and the lock hole has a clamping structure. The manual breast pump has the advantages of simple structure, convenience in disassembly, adjustable pressure, no backflow and capability of massaging a breast during use.
