Special sputum aspirator used in department of pediatrics

The invention discloses a special sputum aspirator used in the department of pediatrics. The special sputum aspirator comprises two supporting legs, wherein the sides, close to each other, of the twosupporting legs are slidably provided with a same sputum suction box, the inner wall of the bottom of the sputum suction box is provided with a collection hole, a collection bottle is clamped in the collection hole, the top of the collection bottle is provided with an opening, one side of the sputum suction box is fixedly provided with a fixing tube, and the fixing tube is communicated with the sputum suction box. Two pressure spring grooves are formed in the inner wall of the fixing tube, sliding holes are formed in the inner walls of the sides, far away from each other, of the two pressure spring grooves, and sliding rods are slidably mounted in the two sliding holes. The special sputum aspirator is economical and practical, animation can be played by using a display screen to enable a child patient to calm down