How to repair the hole in the wall

1. First, investigate and measure the hole size on site. 2. Cut into squares around the hole. 3. Fill the hole with a square gypsum board of the same size, and then fix the gypsum board with nails. 4, plasterboard around do anti-crack hanging net processing. 5. Finally, blow putty or paint. Related knowledge: 1. When the hollow gypsum board wall is damaged, the easiest way is to block the damaged place with something, and then put a new gypsum board outside, preferably similar in color to the gypsum board. When choosing a board, it is best to choose a hard board, brush a lot of putty powder on the gypsum board wall and paint the whole wall, which looks the same as the gypsum board wall, except that it has a side effect, that is, cracks will appear after a long time. 2. If you want to repair it better, the method must be complicated. You can remove the cracks on the gypsum board, get another gypsum board of similar size, nail it on it, and then brush a lot of putty. 3. During the construction of the hollow gypsum board wall, there must be a vacant position at the door, because there are many kinds of gypsum boards, and the quality should be checked. Don't buy some gypsum boards with poor quality, there will be a series of damage problems later.