A peeling, grinding, breaking and blending device for food, vegetables and fruits, it comprise a lower cover having a receiving room, a base provided under the lower cover, a cutting and grinding portion and an upper cover used to cover the lower cover. The cutting and grinding portion is received in the receiving room of the lower cover, a cutting, peeling and grinding plate is provided on the upper end of the cutting and grinding portion, a plurality of toothed knives are provided with the surface of the cutting, peeling and grinding plate, a grinding layer is provided at the surrounding portion thereof, a through hole is provided on the upper cover, the bottom of the through hole is provided with a grinding layer, a stopper layer is provided with the grinding layer, thus, when the vegetables and fruits are placed in through the through hole, the functions of juice squeezing and grinding can be proceeded at the same time. The device is applicable to use as a food processor having the twin functions of squeezing juice and grinding food.