Machine tool tailstock seat

The utility model provides a tailstock seat of a machine tool, and belongs to the technical field of machinery. The tailstock seat solves the problem that an existing tailstock seat is large in occupied space. The tailstock base of the machine tool comprises a base body which is approximately in a long strip shape and is characterized in that a receding channel which is arranged in the width direction of the base body in a penetrating mode is formed in the lower side of the base body, and the lower side of the receding channel is open; the inner wall of the receding channel is composed of a horizontal top face and two side faces arranged on the two sides of the horizontal top face respectively, each side face is composed of a vertical plane and an inclined plane used for connecting the vertical plane and the horizontal top face, the inclined planes are arranged obliquely upwards relative to the vertical planes, and the inclination angle of the inclined planes ranges from 35 degrees to 55 degrees. The machine