The invention relates to a composite insulator bowl head anti-shedding hoop. The composite insulator bowl head anti-shedding hoop comprises a lower hoop in matching with a bowl head in shape, an upper hoop arranged on the lower hoop, a top column arranged at the upper hoop and a connection arranged on the lower hoop and the upper hoop, wherein the connection device comprises a lower connection board arranged at two ends of the lower hoop, an upper connection board arranged at two ends of the upper hoop and a bolt used for connecting the upper connection board with the lower connection board, and the top column is arranged at an inner side of the upper hoop and corresponds to the position of a locking pin on the bowl head. The hoop is mounted on the bowl head, a pin mouth of the locking pin is locked by the top column to prevent a composite insulator from shedding, and maintenance cost is reduced; the hoop comprises the upper and lower portions, two ends are connected with a nut through the bolt, the mounting position can be adjusted according to different sizes of the bowl head, and high versatility is realized.