The utility model provides an auxiliary drainage device which comprises a vertical rod. A clamping
assembly is installed on the lower portion of one side of the vertical rod, a T-shaped groove is formed in the other side of the vertical rod, a graduated scale is slidably connected into the T-shaped groove, height adjusting grooves are formed in the lower portion of one side of the graduated scale, the number of the height adjusting grooves is two, and lower hook assemblies are slidably connected into the height adjusting grooves. An infusion groove is formed in the middle of one side of the graduated scale, an
infrared pen is fixedly connected to the middle of the other side of the graduated scale, an identification box is fixedly connected to the top face of the graduated scale, and hanging hooks are fixedly connected to the two sides of the graduated scale and located below the identification box respectively. And a storage hook is rotationally connected to one side of the graduated scale and is positioned between the two groups of hanging hooks. Through mutual cooperation of the clamping
assembly, the graduated scale, the height adjusting groove, the lower hook
assembly, the infusion groove and other structures, drainage work can be conveniently carried out.