The utility model relates to an electric gate valve sealing assembly, which comprises a filling material press plate (1), screw bolts (2) and steel structures (3), wherein the filing material press plate (1) is respectively connected with the upper edges of the left and right steel structures (3) through the screw bolts (2), a baffle plate (7) is arranged on each steel structure (3), filling materials (4) are arranged between the filing material press plate (1) and the baffle plates (7), and a sealing press plate (5) is clamped between the lower edges of the steel structures (3) and a sealing plate (6) and is fixedly connected with the lower edges of the steel structures (3) and the sealing plate (6) through screw nuts. The electric gate valve sealing assembly has the advantages that the service life of the sealing assembly adopting the structure is long, the sealing performance is good, the medium flow rate can be preferably regulated, and the use effect is ensured.