Reinforcing structure of light board wall door

The utility model relates to a light board wall door reinforcing structure which comprises wallboards, a first door opening and lintels, the two sides of the first door opening are surrounded by the wallboards, and the lintels are arranged on the first door opening and erected on the wallboards on the two sides of the first door opening. The galvanized anchor plate is arranged on the lower side of the door opening; the first galvanized square pipes are arranged on the two sides of the first door opening and located at the ends of the galvanized anchor plates; the number of the second galvanized square pipes is two, the second galvanized square pipes are arranged in the middle of the galvanized anchor plate and located between the two first galvanized square pipes, and a wall plate is laid between the two second galvanized square pipes; the third galvanized square tube is arranged between the upper ends of the first galvanized square tube and the second galvanized square tube, and a second door opening is defi