You call this Liang Touchong. There are many such shocks in ancient and modern houses, and the main fortune is not the main disease.
Theoretically, windows or doors that do not face the lateral or ear chambers can be ignored.
If it is facing the door and window, and you can see the yard directly through the door, it needs to be broken.
There are many ways to get rid of it. You can ask the local gentleman. But try not to use a cantilever mirror, because rushing to the west is easy to get rich.