In the case of swimming or drinking a lot of water, water may be choked into the airway, causing irritating coughing and even the possibility of asphyxiation, and measures should be used early to prevent the pathological state. Try to inhale deeply and then exhale as much as possible to cough out the water in the airway as much as possible; you can adopt a supine position, tilt the head to the side, and pat the patient’s back from bottom to top to make the fluid in the airway vibrate as much as possible to promote coughing out and draining the fluid from the airway. If too much water is inhaled and cannot be coughed out by these means in time, you should seek medical consultation and have the water in the airway sucked out through a suction machine to avoid respiratory difficulties. Use a little antibiotics appropriately to prevent the occurrence of aspiration pneumonia.