The invention discloses a special sputum suction nursing device beside the ICU bed, which comprises a placement box, a partition, a first drain hole, a first spring, a slide plate, a second drain hole, a second spring, a pressure plate, a connecting rod, a storage box, Drainage tube, support block, placement tank, detection cup, suction pump, suction tube, placement sleeve, fixing sleeve, connection sleeve, suction tube, this special suction nursing device for the ICU bedside has ingenious structure and powerful functions. The operation is simple. By using this device, it is convenient for medical staff to extract the sputum absorbed from the patient's body, so as to conduct laboratory tests on the extracted sputum, which not only ensures the work progress of the medical staff, but also ensures the progress of the patient's treatment. .