Sulfuric acid water has a strong irritating and corrosive effect on skin, mucous membranes and other tissues. If the skin is exposed to sulfuric acid water, it will cause skin burns, such as erythema and ulcers. If the eyes come into contact with sulfuric acid water, it will cause conjunctivitis, conjunctival edema, corneal clouding to blindness. If you accidentally take sulfuric acid water orally, first of all, it will corrode the teeth, and secondly, it will strongly stimulate the respiratory tract, causing respiratory difficulties, pulmonary edema, laryngeal spasm, or vocal edema, in addition, it will also burn the digestive tract, resulting in peptic ulcers, and in severe cases, there is even a perforation. To sum up, sulfuric acid water is very harmful to the human body, in our daily life we should avoid contact with sulfuric acid water, once accidentally contacted, please consult a doctor immediately.