Vegetable cutter and washing and grinding methods

The invention relates to a vegetable cutter and washing and grinding methods, which solves the technical difficulties of kitchen knives continuously using for thousands of years that the existing kitchen knife needs skills, is easy to hurt hands, very low in working efficiency and the like, and makes up for serious deficiencies the cutting machinery strictly selects meat, vegetables, fruits and the like, is easy to twist excessively and be blocked, and difficult to wash, grind and maintain, and is much less suitable for use in families, restaurants and hotels. The vegetable cutter comprises a plurality of annular blades 7 and a pull-and-pull handle 1, wherein the plurality of annular blades 7 can cut vegetable into slices, silks, blocks, powder and other shapes in batch by once, so that the labor efficiency is greatly improved; orderly annular rings 8 replaces fingers as size, so that the quality is promoted, and fingers are avoided being hurt, the vegetable cutting has no needs of skills and electricity; a hair brush 3 can conduct automatic washing, thus being convenient and fast; a V-shaped grooved abrasive plate 19 leads the grinding cutter not to have skills and can grind all edges only by pushing and pulling for times. The vegetable cutter is a substitute of the kitchen knife and is a good helper of people in kitchen.