The utility model discloses a special drainage tube for rinsing a uterine cavity and belongs to a medical appliance. The drainage tube comprises a double-cavity drainage tube, wherein a fixed bag is arranged at the left end of the double-cavity drainage tube; a drainage side hole is formed on the double-cavity drainage tube in the position on the left side of the fixed bag; a fixed bag liquid injecting tube communicated with the fixed bag is arranged in the double-cavity drainage tube; a tee joint is connected with the end part of the right end of the double-cavity drainage tube; a syringe interface and a drainage bag interface are arranged at the other two ends of the tee joint respectively; and a direction-adjusting valve is arranged at the middle of the tee joint. Compared with the prior art, the special drainage tube for rinsing the uterine cavity has the characteristics of closed drainage, no odor and the like, drains continuously after the rinsing is finished, is worn by a patient conveniently, is prevented from falling, and brings convenience for medical staff, so that the drainage tube has favorable popularization and application values.