Postoperative drainage tube fixing device

The invention discloses a postoperative drainage tube fixing device which comprises a bottom plate and a transparent plate, the transparent plate is arranged on the bottom plate, and the bottom plate is made of a soft and skin-fitting material; a needle hole is formed in the transparent plate, and a pressing plate is arranged at the upper end of the transparent plate; a fixing plate is connected to the bottom plate in a sliding manner through a sliding rail; sticking sheets are arranged around the bottom of the bottom plate; the upper end of the fixing plate is in threaded connection with a threaded rod, and the threaded rod is rotationally connected with a connecting block through a miniature bearing. A clamping plate is arranged at the lower end of the connecting block, is of an arc-shaped structure and is made of a soft material. The device is pasted through the application, pain of a patient can be prevented, and the device is made of a transparent material, so that wound observation is facilitated; the d