The invention discloses a controllable button-type negative pressure suction device, and belongs to the technical field of medical equipment. The controllable button-type negative pressure suction device comprises a suction machine, the front end of the suction machine is provided with a buffer bottle, a liquid storage bottle and two bearing brackets, the buffer bottle is connected with the suction machine through an air pressure hose, and a control mechanism is arranged in the middle of the air pressure hose and comprises a control assembly, a closing assembly, a clamping assembly and an airpressure adjusting assembly; a communication hose is arranged between the liquid storage bottle and the buffer bottle, the liquid storage bottle is provided with a liquid suction hose, one end of theliquid suction hose is provided with a liquid suction rod, the liquid storage bottle is internally provided with a filtering mechanism, the filtering mechanism comprises a filtering assembly and an unfolding assembly, and the unfolding assembly is installed in the middle of the filtering assembly. According to the controllable button-type negative pressure suction device, through the arrangement of the control mechanism, the operation difficulty of doctors can be reduced, the use is convenient, and accidents do not easily occur during an operation; through the arrangement of the filtering mechanism, medical personnel can conveniently observe sucked tissue to judge the operation progress.