The invention discloses a 
respirator device capable of performing ventilation monitoring. The 
respirator device comprises an air bag, an air guide 
pipe, a one-way valve, an air storage bag, a safety pressure valve, an 
exhalation valve, a connecting valve, an 
airflow sensor, a displayer, a pressurizing 
mask and an air inlet; one end of the air guide 
pipe is fixedly connected with one end of the 
airbag; the one-way valve is sleeved on the air guide 
pipe; the air inlet is embedded in the air bag; the 
respirator device has the following beneficial effects, the respirator device is reasonable in design and novel structure, the use method is simple, the operation is convenient, when the simple respirator is used, the display is matched with the 
airflow sensor, the 
tidal volume and the ventilation frequency can be displayed in real time, the 
lung injury caused by invalid use of the simple respirator or wrong use is prevented, the ventilation parameters of the simple respirator can be visually displayed, the reliable data guidance is provided for operators, even inexperienced operators, and the situation that invalid operation or wrong operation aggravates the illness state of a patient is avoided.