There are two opinions: one is: the total number of steps of a single staircase is odd; the other is that the total number of steps on each floor is an odd number. The reason is that people's movements when going up the stairs are forward, backward, forward, backward, forward... The odd number is "forward" and the even number is "back". Therefore, people imply that "jin" means attracting wealth and getting promoted. When we design, we put people first and respect folk customs. When designing, we must try our best to respect and satisfy people's desire for a better life.
In ancient Huizhou residential buildings, the stairs were mostly located on the right side of the main hall and painting hall. However, in order to make money, some people saw water coming from the left side of their houses. Therefore, the stairs were placed to go upstairs from the left. At the same time, the number of stairs is all odd (odd) numbers, and the odd number is the number of days. The stairs are made of wood. There is a stone slab at the foot of the stairs to form an even number (ground number) with the stairs, which means "the sky and the earth are connected". At the same time, the stone slabs support the stairs. Stablize.
In ancient my country, odd numbers (odd numbers) were regarded as yang numbers, and even numbers (even numbers) were regarded as yin numbers. The sky is yang and the earth is yin. Odd numbers are considered auspicious. This is not absolute, there are also even numbers.
It depends on the floor height and the design height of the steps. For each section of the staircase, the number of steps in the section is equal to the number of steps in the section? The number of stairs is calculated by adding 1 to the number of steps. Because the top level is connected to the middle rest platform or floor panel, there is no need for a separate step board.