Limited entry fracturing sliding sleeve

The utility model relates to the technical field of limited entry staged fracturing and discloses a limited entry fracturing sliding sleeve. The limited entry fracturing sliding sleeve comprises an upper joint, a lower joint, an outer sleeve, an inner sliding sleeve and a ball seat. The upper joint is fixedly connected with the upper end of the outer sleeve, and the lower joint is fixedly connected with the lower end of the outer sleeve; the inner sliding sleeve is connected in an inner cavity of the outer sleeve in a sleeved mode, and the outer wall of the inner sliding sleeve is connected with the inner wall of the outer sleeve through a connection piece; the ball seat is arranged in the position, between the upper joint and the inner sliding sleeve, of the outer sleeve, the ball seat is formed by combining a plurality of branch ball seat bodies, the multiple branch ball seat bodies are clamped together through clamping springs and are clamped on corresponding positions of the outer sleeve through the clamping springs; the position, opposite to the inner sliding sleeve, of the outer sleeve is further provided with a sand blasting hole and a clamping spring groove. The limited entry fracturing sliding sleeve is simple in structure and reliable in work process, and the staged level of the limited entry fracturing sliding sleeve can be improved.