The gas emitted by sulfur is toxic to the body when inhaled. Sulfur in the process of fumigation will produce a more violent chemical reaction, resulting in sulfur dioxide gas has a strong toxic effect on the human body, mildly poisoned patients will appear red, swollen eyes, tearing, eye pain symptoms, and affect the sleep, insomnia, fatigue phenomenon. If the degree of poisoning is more serious, it will also cause stimulation and influence on the vocal folds, which may lead to speech impediment, difficulty in swallowing, accompanied by chest tightness, breathlessness and other uncomfortable symptoms; in the case of more serious poisoning, it will even affect the normal work of liver function. Sulfur itself belongs to a low degree of dangerous chemicals, the sulfur dioxide produced is strongly toxic to the human body, so in daily life should avoid inhaling sulfur gas, eat less or avoid eating sulfur fumigation of food, to prevent serious effects on the body. If you inhale sulfur gas by mistake, you should seek medical treatment in time to avoid delaying your condition.