The utility model relates to a protector of cable channel shutoff mud belongs to power equipment technical field. Technical scheme is: wire side (2) are circular structure, the outside circumferencial direction of wire side (2) evenly sets up a plurality of pipeline stainless steel hook (3), the center of wire side (2) be equipped with with cable matched with round cable link closely internal orifice (1), wire side (2) radially be equipped with one with the cable link closely internal orifice (1) the intercommunication breach (9), the both sides of breach (9) are close to the cable and link closely the position of internal orifice (1) and be equipped with respectively in the left side in purse seine eye (6) and the right side purse seine eye (7), the position that the both sides of breach (9) are close to outside wire side (2) is equipped with the peripheral mesh (5) of left side peripheral mesh (4) and right side respectively. The utility model discloses can guarantee that shutoff mud can not drop because of softening, ensure that the gap shutoff between cable and the pipeline is tight, prevent that the toy from getting into to nest, knock and sting the cable, also play the effect of fire -retardant wall simultaneously.