Waterproof junction box

The utility model discloses a waterproof junction box, which comprises a box body, a box cover and two plug caps, the box cover is used for covering an opening at the upper end of the box body to seal the box body, the bottom of the box body is provided with two bosses, each boss is provided with a counterbore, and the counterbores are used for screws to pass through to fix the box body on a wall body. The two plug caps are used for being arranged outside the bosses in a sleeving mode to plug the counter bores, the outer wall of the box cover and the outer wall of the upper end of the box body are connected into a whole through a first connecting strip, and the outer walls of the two plug caps and the outer wall of the box cover are connected into a whole through a second connecting strip. The box body, the box cover, the first connecting strip, the second connecting strip and the two plug caps are integrally formed in an injection molding mode. The utility model has the advantages of high production efficien