Iron oversupplementation can be divided into acute iron poisoning, chronic iron poisoning, etc. There can be vomiting, convulsions, fatigue, gastrointestinal bleeding or hemochromatosis, organs with fibrosis and other symptoms. 1. Acute iron poisoning: acute iron poisoning is characterized by vomiting, nausea, convulsions, gastrointestinal bleeding, pale skin, and fatigue in the early stage. In addition, this condition may also lead to intestinal hemorrhage necrosis, metabolic acidosis and shock and other conditions. 2. Chronic iron toxicity: this condition is manifested by hemochromatosis, organs with fibrosis and so on. Increased iron overload leads to enhanced lipid peroxidation, causing an imbalance in the body’s oxidative and antioxidant systems. In addition, excess iron catalyzes the formation of free radicals and promotes lipoprotein peroxidation, leading to the formation of atherosclerosis in the heart. Patients with the above symptoms should go to the hospital in time, and after clarifying the cause of the disease, the appropriate treatment and therapy should be carried out under the guidance of the doctor.