The utility model belongs to the technical field of the electric machinery technique and specifically relates to a prevent bird's nest man -like shelf, its characterized in that prevent bird's nest man -like shelf constitute by left side man -like shelf and right side man -like shelf, left side man -like shelf and right side man -like shelf all form by preceding curb plate, posterior lateral plate, hinge and spring, the upper end of preceding curb plate and posterior lateral plate articulated mutually through the hinge, the preceding curb plate after articulated and the inboard of posterior lateral plate are equipped with the spring, the one end of spring is connected with the medial surface of preceding curb plate, the other end is connected with the medial surface of posterior lateral plate, the lower extreme of preceding curb plate and posterior lateral plate is equipped with the cardboard, the right side of left side man -like shelf be equipped with the arc wall with wire pole matched with, the left side of right side man -like shelf be equipped with the arc wall with wire pole matched with, the arc wall of left side man -like shelf closely cooperates with the wire pole with the butt joint of the arc wall of right side man -like shelf, has that the installation is simple, convenient operation, long service life, an advantage such as prevent that the bird is nested.