The invention provides a buckle and a quilt, and belongs to the field of buckles. The buckle comprises a first connecting piece and a second connecting piece. The first connecting piece is provided with a clamping groove. The second connecting piece is provided with a first end and a second end opposite to the first end. The first end is connected with one end of the first connecting piece. The second end is provided with a clamping hook which is matched with the clamping groove in the turnover process of the first connecting piece. The first end is provided with a first connecting portion, and the clamping hook is provided with a second connecting portion; the first end forms the first connecting portion in the turnover process of the second end. The buckle is simple in structure, convenient to use and practical, and the phenomenon that materials needing to adopt the buckle are scraped can be effectively avoided. The invention further provides the quilt which comprises a quilt cover, a quilt core and the buckle. The quilt core is connected with the first connecting portion or the second connecting portion through threads, and the quilt cover is connected with the second connecting portion or the first connecting portion through threads, so that damage caused by hard connecting pieces to the quilt cover is avoided.