Symptoms and hazards of getting air in a bottle are related to the amount, speed and location of the air entering the body; if a small amount of gas enters the body slowly, it does not cause symptoms. With the different air into the human body, the light can appear paroxysmal severe cough, shortness of breath, chest tightness, chest pressure feeling. If a large amount of gas enters the body quickly and blocks the major blood vessels of the heart, brain, and other important organs, affecting the blood-removing function of the heart and the blood supply to the brain cells, the patient may suddenly cry out, have difficulty breathing, cough, tightness in the chest, shortness of breath, pallor, dryness, and other symptoms. Severe patients may experience convulsions, coma, or even death.