Swollen and itchy feet may be caused by frostbite, athlete’s foot and contact dermatitis, need to standardize the diagnosis and treatment for the cause of the disease, and its treatment methods are general treatment, medication and so on. 1. Frostbite: swollen and itchy feet may be caused by frostbite, patients need to do a good job of local insulation, you can apply frostbite ointment, vitamin E ointment and other drugs in the lesions to facilitate the anti-inflammatory, anti-itching and swelling. Patients can also take nifedipine, niacinamide and other drugs to dilate blood vessels, promote circulation, improve local discomfort. 2. Tinea pedis: Tinea pedis may cause swollen and itchy feet, patients should pay attention to foot cleanliness, hygiene, wear breathable shoes and socks. You can apply terbinafine, naftifine ketoconazole, miconazole and other antifungal drugs. If the efficacy of external drugs is not good or the lesions are widespread, you can take oral terbinafine, itraconazole and other antifungal drugs, but need to be applied under the guidance of a doctor. 3. Contact dermatitis: If contact dermatitis causes swollen and itchy feet, patients should avoid rubbing and scratching the lesions and avoid suspected allergies or irritants. Glucocorticoid ointment can be used externally applied to the affected area, with the effect of reducing inflammation and stopping itching, such as hydrocortisone, halometasone. The causes of foot swelling and itching are more, it is recommended that patients go to a regular hospital, clear causes, with the doctor for standardized treatment, medication should follow the doctor’s instructions.