The most common through flow is when the doors and windows of the house are opposite, even when the front door and back door are opposite, it is very easy to form through flow. In addition, the gap between buildings and the gap between high walls will produce airflow, which will also form a similar through flow.
In the architectural classics of our ancestors, direct access is considered unlucky. The elderly, frail women and children in the family will get sick or get worse, sometimes even life-threatening. Therefore, cross flow is often regarded as demon wind, strange wind and evil wind, lest it be avoided. Architects should avoid the formation of through flow when designing the position and direction of doors and windows.
According to the theory of geomantic omen, it is a very unfavorable phenomenon to pass through his home, "straight and straight, without leaving a trace of gas", which easily leads to less popularity at home, poor fortune, difficulty in gathering money and repeated failure in saving money.
Therefore, when there is a through phenomenon at home, it is suggested to set up a porch barrier between doors and windows, or between the front door and the back door, which can effectively avoid the formation of the through phenomenon and effectively resolve the adverse effects brought by the through phenomenon.