Many small red dots on the feet and especially itchy can be seen in contact dermatitis or eczema, tinea pedis, patients can use glucocorticoid creams and other topical drugs and oral immunomodulators, etc., as follows: 1. Contact dermatitis or eczema: allergic reactions caused by, if the rash is fused into a piece then available haxenade ointment, halomethasone cream and other strong glucocorticoid drugs for local application, can strengthen the anti-allergic, anti-itch efficacy. If itching is not significantly relieved, black bean distillation oil or bran distillation oil can be applied to enhance the anti-itching effect. Oral medications can be used with fexofenadine hydrochloride tablets or desloratadine capsules to strengthen the anti-allergic and anti-itch effect, and also with oral compound glycyrrhizin capsules, which can play an immunomodulatory and anti-allergic role; 2. Tinea pedis: due to fungal infections such as Trichophyton rubrum or flocculent trichophyton, in clinical treatment, topical clotrimazole ointment or bifidazole ointment can be applied.