The present invention, as a self-respiratory rehabilitation device for inducing a cough in a patient with a weak breathing capacity, the main body; A mask worn on the patient's face and connected with an air supply hose to one side to allow the patient to breathe; An air conditioning unit disposed in the main body and configured to supply air to the patient through the air supply hose or to induce a cough by exhaling the air from the patient; A measuring unit that measures the flow rate or pressure of the air moving through the air supply hose and outputs a corresponding signal; A control unit that measures the maximum cough flow rate and respiratory muscle strength of the patient by the output signal of the measurement unit, and performs breathing training for the patient based on the measurement resu And it provides a self-respiratory rehabilitation device comprising a power supply for supplying power to the air control unit, the measurement unit and the control unit. The present invention can supply air to a patient with reduced breathing ability, induce exhalation, and induce coughing of the patient so that secretions in the lungs or airways are discharged, and the breathing ability is weakened by using a self-respiratory rehabilitation device. By improving the muscle strength of the patient's respiratory muscles, it can improve the breathing ability.
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