Medical sampling tube facilitating breaking of sampling swab

The utility model discloses a medical sampling tube convenient for breaking off a sampling swab, relates to the technical field of medical sampling tubes, and aims to solve the technical problems that in the prior art, when the sampling swab is broken off, the swab can be broken off only by separating a tube cap from a tube body, so that the operation is influenced, and the sampling swab cannot be broken off easily. And a blade is arranged on the tube cap, so that the operation of the medical personnel is dangerous to a certain degree. A tube cap is arranged at the top of the sampling tube, and a test tube opening is formed in the upper part of the sampling tube; the opening and closing cover is arranged on the upper surface of the pipe cap, a hinge is arranged on the rear end face of the opening and closing cover, the opening and closing cover is rotationally connected with the upper surface of the pipe cap through the hinge, and an opening and closing opening is formed in the pipe cap; and the breaking open