2. Close the door frequently: Closing two opposite doors is the easiest way. After the two doors are closed, the airflow in the two spaces can be avoided, so that the field is relatively static.
3. Curtain: This is a common decoration method in the north. As you can see in the TV series, almost every door frame has such a door curtain. Of course, this is done in the north to keep warm and prevent indoor heating from leaking or outdoor cold air from blowing in. And we put a curtain here, which has the same effect as closing the door often, just to prevent air circulation and keep the venue static.
4. Put five emperors' money: Five emperors' money has many uses and great effects. You can also put a set of five emperors' money under two doors and in the house, which is also a good way to solve the door-to-door problem in the bedroom. There are more people using this method.