It is not recommended to soak the foot when the blisters on the foot rupture, moreover, it is not recommended to use foot light scatter to soak the foot, which will easily lead to infection of the trauma and bacterial infection of the foot, thus causing swelling, exudation, pain and discomfort, and in serious cases, it will also induce dermatitis, so when the blisters on the foot rupture, do not touch the water and do not use foot light scatter to soak. After the blister rupture can be given locally boric acid solution or furacilin solution local wet compress, 2-3 times a day use, 2-3 days later the rash will be completely dry, need to choose the appropriate drugs according to the disease, for example, is due to fungal infection caused by blisters, you can use antifungal topical drugs, such as terbinafine, bifenoconazole, etc. If the blisters are due to eczema, use glucocorticoid medication for treatment, and be sure to pay attention to the principles of topical medication, which must be applied topically in small amounts, just 2 times a day.