There are several possibilities to consider if your feet are always itchy: 1. It may be common tinea pedis, which is mainly caused by fungal infection. The local environment is stuffy and humid due to the feet wearing tight shoes, which is conducive to the growth of fungi and produces tinea pedis. For treatment, you can use terbinafine hydrochloride spray and apply it followed by topical luliconazole cream for treatment.2. Consider papular urticaria, which mainly occurs in summer and is an allergic reaction due to insect bites, with the appearance of a windbag-like papule accompanied by itching. It is a good idea to take chlorpheniramine maleate tablets orally and use Denide ointment topically for treatment. 3. Consider eczema, which is an allergic reaction caused by wearing chemical boots or slippers. In the treatment can take oral loratadine capsules and topical mometasone furoate cream to apply treatment.