It is not good for a rural house to be short in depth on one side and long in depth on the other. It is not good for a rural house to have a short depth on one side and a long depth on the other. Naturally, the shorter the better, because if the depth is too large, it will affect the stability of the building structure; if it is too small, the load-bearing walls will obviously increase, and the pool area will also increase. The size increases and the remodelability is poor, thus affecting the living effect. Depth refers to the length of the house, while bay refers to the distance between 2 transverse walls in the house. The bay and depth can also be determined according to the direction of the room door. The distance in the direction in which the door enters is the depth, and the distance to the left and right is the bay.