Red dots on the feet may be caused by eczema, contact dermatitis, lichen planus and other diseases, you can take general treatment, medication and other measures to improve. 1. Eczema: For red dots on feet caused by eczema, you need to pay attention to personal hygiene and avoid scratching the affected area. Patients can follow the doctor’s instructions to apply glucocorticosteroids, such as trimethoprim and halometasone, which have anti-inflammatory effects. 2. Contact dermatitis: If the feet of red dots caused by allergic dermatitis, first need to get rid of allergens. Patients can follow the doctor’s instructions for external use of dexamethasone acetate cream, fluorine easy cream and other glucocorticoid drugs, with immunosuppressive effect. 3. Lichen planus: If the red dots on the feet are caused by lichen planus, you need to pay attention to local hygiene and avoid injury to the skin of the feet. Patients can follow the doctor’s instructions to use topical adapalene, tazarotene and other retinoid creams, with anti-inflammatory effect. There are many reasons for the red dots on the feet, it is recommended that the patient go to the hospital, to clarify the cause of the disease and then treatment.