What are the main and auxiliary doors in geomantic omen used for?

It is indeed used to open the door, but it is necessary to distinguish under what circumstances it can be used. If Xing Fei and Wang Xing don't reach the gate, they shouldn't be used. If Xing Fei Wang Xing flies to the gate, they should only use it. City Gate is a name in Kong Xuan geomantic omen. If you want to know the city gate, you must first understand the divination method of Kong Xuan's flight science, and find the city gate in practical application to avoid misfortune.

Strictly speaking, the city gate strategy is a good way to cure sick houses, broken houses and broken houses. It may bring these rotten houses back to life, but these rotten houses must be diagnosed in detail before they can be used for treatment.

Some prosperous houses used to be prosperous, but if the city gates are not used properly, they will become prosperous and sick.

One thing to remember is that you can't use the city gate to open any' auspicious doors' such as anger, longevity and natural medicines. You must make a detailed investigation before you can make a specific decision. There is a saying: the city gate is the best, and the dilapidated house is prosperous. If you open the door for Wang Zhai, you will suffer from diseases and injuries.

I hope this solution can help you.