The statement that small red dots on the body may be hemangiomas is true, in addition, small red dots on the body may also be due to other causes such as eczema, insect bite dermatitis, and contact dermatitis. The etiology of hemangioma is not clear, and it is considered to be caused by the imbalance of the balance of angiogenic and angiogenesis inhibitory factors. The patient’s skin will appear red papules, congestive plaques, red nodules and other manifestations, so it is true that the small red spots on the patient’s body may be hemangioma. But patients with small red dots on the body also need to consider eczema caused by eczema, because patients with eczema will be manifested as red papules, papules, blisters and so on. In addition, patients with insect bite dermatitis will have redness, blisters, erythema and other symptoms, so patients will have symptoms of small red dots on the body. In addition, patients with contact dermatitis, urticaria will also appear on the body with small red spots. Small red dots on the body may be hemangioma is true, it is recommended that patients with small red dots on the body need to consult a doctor in a timely manner, the doctor will choose the appropriate measures for the cause of the treatment.