In the bedroom, it is best not to use too much red and black as the main colors, which will make people extremely impulsive and angry, which is not good for their family's health. The most suitable colors are neutral colors, such as beige, gray and so on, which make yin and yang harmonious and family harmonious. Usually, many people put wooden floors in their bedrooms. In fact, the primary color of wood is also a good color. The primary color of wood makes people feel peaceful and couples feel stable.