1. The doors and windows of the house face east.
2. It is best to open the window on the east side. According to traditional geomantic theory, it is best to open the window on the east side of the house. Purple gas comes from the east, the rising sun rises, and windows are opened on the east side of the house, symbolizing a new beginning and good luck such as growth and development. Facing the morning light of the east window every day will give people vigorous energy and a breath of rapid improvement, which will help the residents grow up subconsciously.
3. Traditional geomantic omen holds that "purple gas comes from the east", and the auspicious gas from the east can enter through the east window, so that the house is shrouded in auspicious atmosphere.