The utility model discloses a labor-saving hand protection device of a small-sized chopping-and-cutting dual-purpose knife for a kitchen. The labor-saving hand protection device of the small-sized chopping-and-cutting dual-purpose knife for the kitchen comprises an elastic device base (1), wherein the section of the elastic device base (1) is of an inverted triangle shape, an opening is formed in the bottom of the elastic device base (1), and the two sides of the bottom of the elastic device base (1) are respectively and movably connected with a handle (2). According to the labor-saving hand protection device of the small-sized chopping-and-cutting dual-purpose knife for the kitchen, the thickness of the knife back can be increased, the phenomenon that a thin knife back directly makes contact with the thumbs of a user is avoided; due to the fact that the contact area is greatly increased, the aching pain reaction and the red and swollen reaction generated when the user uses the knife for a long time can be eliminated, and the effects that labor is saved, and the hands are protected are achieved.