Small red bumps on the feet that itch can be the following: 1. It may be eczema, caused by allergies, which may be caused by wearing plastic slippers or rubber rain boots. In terms of treatment, the first thing is to avoid contact with the above-mentioned allergic substances; secondly, you need to take oral loratadine capsules, one capsule every night, combined with compound glycopyrrolate capsules, 3 times/day, 2 capsules/time, and topical dinaide ointment 1. 1 mixed with black bean distillate for application 2 times/day. 2. Consider fungal infections causing tinea pedis, which can also be accompanied by tiny blisters and also maceration and whitening between the toes, when oral itraconazole capsules, 1 time/day, 2 capsules/time, should be taken orally for between half a month and a month, along with topical terbinafine hydrochloride gel, 2 times/day, applied topically in moderation. For maceration, whitening, and erosion, topical application of 2% boric acid solution can be used for treatment.