Waterproof sealed safe box for automobile

The utility model relates to a waterproof sealed safe box for an automobile. The waterproof sealed safe box comprises an upper cover and a base, wherein step-like grooves are respectively arranged on two sides of the lower part of the upper cover, and bulges matched with the step-like grooves are arranged on two sides of the base. The waterproof sealed safe box is characterized in that trapezoid ribs in a U-shaped groove of the base not only has the functions of water diversion and guide, but also ensures that the inner and outer walls of the U-shaped groove of the base are connected into a whole and mutually supported, so as to strengthen the structure and prevent the base from being deformed; a sealing strip is arranged at the matching part between a W-shaped groove of the upper cover and the inner wall of the base, so that an electric appliance box is tight to high humility air, and is dustproof, waterproof and sealed. The waterproof sealed safe box can ensure that the electric appliance box has the sealing and waterproof function in the high humidity environment, thereby ensuring the normal working of the electric appliance box.