Collecting tube with conveniently broken swab

The utility model relates to a collecting tube with a conveniently broken swab, and belongs to the field of biological sample sampling. The pipe comprises a pipe body and a pipe cover, the pipe body and the pipe cover are connected through a folding piece and covered in a clamping mode, a pipe cover annular wall is arranged on the face, covered with the pipe body, of the pipe cover, when the pipe cover and the pipe body are covered, the outer wall of the pipe cover annular wall is attached to the inner wall of the pipe body, and a knife-shaped notch is formed in the pipe cover annular wall. According to the utility model, the knife-shaped notch is formed in the tube cover ring wall arranged on the tube cover, the knife-shaped notch is used for cutting the swab rod while the tube cover is closed, and the swab rod is broken by applying breaking force to the swab rod in cooperation with sampling personnel, so that the exposure time of a sampled sample is shortened, and the risk that the sampled sample is pollute