Line protection sleeve

The invention discloses a line protection sleeve, which comprises a sleeve main body and a sleeve cavity; the line protection sleeve is characterized in that a front opening, a rear opening and a side opening are arranged in the sleeve cavity; the sleeve main body comprises an outer layer and an inner layer; the edge of the outer layer is connected with the edge of the inner layer through a plastic wire; the sleeve main body is bent and enclosed into the sleeve cavity; the sleeve main body comprises a first part for forming a side wall of the sleeve cavity and a second part for shielding the side opening of the sleeve cavity; the outer layer is formed by weaving plastic monofilaments; the inner layer is formed by weaving the plastic monofilaments and plastic multifilaments; and the hardness of the outer layer is greater than that of the inner layer.