Novel drainage tube fixator

The utility model relates to a novel drainage tube fixator. The device comprises a shell, a fixer, a reel, a connecting rope and an elastic piece, an opening is formed in the shell; one end of the connecting rope is wound on the reel, the other end of the connecting rope extends out of the opening and is connected with a positioner, the positioner comprises a positioning block, a first limiting groove, a second limiting groove and a third limiting groove, the first limiting groove, the second limiting groove and the third limiting groove are linearly fixed to the positioning block, and the limiting direction of the second limiting groove is opposite to the opening directions of notches of the other two limiting grooves. According to the use mode of the fixing device, the fixing device is fixed to any object which can be used for fixing, then the drainage tube is sequentially clamped into the first limiting groove, the second limiting groove and the third limiting groove, and at the moment, the drainage tube i