Red blood spots on the lower legs may be related to skin diseases, blood system diseases, etc., which need to be treated with medication, physical therapy, surgery, etc. 1. Skin diseases: such as skin hemangioma, can follow the doctor’s instructions for external use of thimerosal ointment and other beta-blockers, prednisone acetate and other glucocorticoids, bleomycin and other anti-tumor drugs to inhibit vascular proliferation; for superficial hemangiomas, available laser treatment. Such as eczema, can be prescribed oral cetirizine and other antihistamines, the application of prednisone and other glucocorticoids, cyclosporine and other immunosuppressants. 2. Blood system diseases: such as idiopathic thrombocytopenic purpura, can be prescribed to apply high-dose dexamethasone or prednisone and other glucocorticoids, vincristine and other immunosuppressants; for patients with ineffective drug treatment, can be considered to remove the spleen. Such as allergic purpura, can be prescribed oral acetaminophen and other antipyretic analgesics, prednisone and other glucocorticoids, cyclophosphamide and other immunosuppressants. It is recommended that people with red blood spots on the lower legs go to a regular hospital in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor, so as not to delay the condition.