Sole special for flat foot and shoe applying sole

The utility model relates to the field of shoes. The utility model relates to a sole, in particular to a sole special for a flat foot. The sole mainly solves the problems that in the prior art, a solespecial for a flat foot is poor in comfort; the long-time use is not suitable. Sole comprising a sole body, wherein the sole body comprises an outsole, an insole and a flexible upper sole; arc-shapedprotrusions are arranged on the outsole in the width direction of the outsole and located in the arch area. A front groove and a rear groove are formed in the sole area and the heel area; a convex block is upwards arranged in the middle of the rear groove in the outsole; the midsole is embedded in the rear groove; the front end of the foot arch extends towards the foot arch area to form an extending part; the midsole comprises a bottom and a lateral supporting part extending upwards along the peripheral edge of the bottom; an arc-shaped face is formed between the bottom and the lateral supporting part, the radian of t