Red spots on the body may be caused by mosquito bites, purpura or cherry angioma. 1. Mosquito bites: it may be because the patient is bitten by mosquitoes, after the bite the patient’s skin will appear red spots, and accompanied by itching symptoms. 2. Purpura: common in allergic purpura, thrombocytopenic purpura and other diseases, clinically manifested as petechiae and ecchymoses on the skin, accompanied (not accompanied) by abdominal pain, joint pain and other symptoms. It can also cause the appearance of red spots on the skin. 3. Cherry angioma: mostly seen in the elderly, may be related to skin aging. Clinically, it mainly manifests as red papules and nodules as big as rice grains, and usually has no self-conscious symptoms. It can also cause red spots on the body. The appearance of red spots on the patient’s body may also be other causes, it is recommended to consult a doctor in a timely manner, with the help of the doctor to clarify the cause of the disease, and targeted treatment or treatment.