The most likely reasons for this are as follows: 1, fungal infection, in the spring fungal infection will be more common, fungal infection is generally common in the finger and foot between the surface of the hard blisters, and itching symptoms, parents are advised to use the treatment of fungal ointment in the affected area to apply. 2, may be flat warts, which is a warts virus infection caused by a clinical manifestation. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. The blood circulation to speed up the treatment.