An automatic feeding/sputum suction device, which mainly comprises a feeding syringe or sputum suction device, an air pump, a liquid food replenishing drum or oxygen/water supply device, three-way control valve, feeding duct or sputum suction duct, controller and detector strap, wherein the three-way control valve is connected with liquid food replenishing drum (oxygen/water supply device), feeding syringe (sputum suction device) and feeding duct (sputum suction duct).
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