The utility model embodiment provides a kind of drainage tapping pipe fixing device, including a geometrical clamp and a base are coupled to each other.The geometrical clamp includes one first folder and the second folder, wherein the rear end pivot joint of the first folder and the second folder, and the first folder and the second folder at least a portion are arranged in a crossed manner, form one first accommodation space and the second accommodation space.Second accommodation space, with for drainage liquid discharging tube by and fixed drainage liquid discharging tube so that the drainage liquid discharging tube will not be conformed on the individual body surface.The side coupling of the base and geometrical clamp.
