Aluminum sulfate is harmful to human body. Aluminum sulfate is an excellent nitrogen fertilizer, can promote plant growth, is also an industrial raw material, can be used for water purification and battery production and the development of rare earths, or a legal food additive, prolonged exposure to the eyes and skin mucous membrane are irritated. If the sulfuric acid rate is accidentally ingested, it can cause a burning sensation in the digestive tract and irritate the mucous membrane of the digestive tract. If the skin or mucous membrane contact with aluminum sulfate, should immediately detach from the scene and use water to wash, if accidentally accidentally ingested aluminum sulfate in daily life should be promptly to the regular hospital for gastric lavage treatment, so as not to cause harm to the body.