Aluminum is a trace element in the human body. Since aluminum has the property that it is not easily absorbed by the stomach and intestines, for people with normal metabolic function, more than 90% of the aluminum ingested in the diet will be excreted through sweat, feces including urine. However, if the aluminum content exceeds a certain limit, the body will also show some poisoning reactions: 1. mild poisoning: patients may experience dizziness and brain swelling, oral erosion, nausea, limb tenderness, vomiting, abdominal pain, thirst, insomnia and bradycardia; 2. moderate poisoning: in addition to the above-mentioned mild symptoms aggravation, there will also be drowsiness, breathing difficulties, limb twitching, and ischemic changes in electrocardiogram; 3. severe Poisoning: Patients may have severe respiratory distress, shortness of breath, vomiting blood, black stool, hematuria, and even shock, mental retardation, and organ failure.