The present invention relates to a medical suction device, more specifically, a pressure adjusting means for adjusting the vacuum pressure, a vacuum suction hose having one end connected to the pressure adjusting means and the other end connected to the side of the vacuum generating device, and the patient's body A body provided with a body fluid suction hose for inserting one end into the inside and connecting the other end to the pressure regulating means side to suck the patient's body fluid during operation of the vacuum generator； A body fluid storage container detachably coupled to the bottom surface of the body； A bodily fluid discharge pipe which is installed on the bottom surface of the body and discharges the bodily fluid of the patient flowing from the bodily fluid suction hose into a bodily fluid storage container coupled to a lower portion of the body； A vacuum suction kit coupled to the bottom surface of the main body so that the inside of the body fluid storage container maintains a constant vacuum pressure state, wherein the body fluid storage container is formed of a vertically through structure, and the upper end is coupled to the bottom surface of the main body. The upper container is provided with a fastening part and a second fastening part is provided at the lower end, and a first connection part is provided at the upper end and a lower container is sealed at the lower end so that the opened upper part is combined with the second fastening part of the upper container, wherein The bodily fluid discharge pipe is composed of a second bodily fluid discharge pipe formed so that its lower end descends to the inside of the lower container, and in particular, the bodily fluid discharge pipe is coupled to the lower end of the first bodily fluid discharge pipe and the connection port and the connection port to descend to the inside of the lower container. It relates to a medical suction device consisting of a long formed second body fluid discharge tube.
