Xu Shanshan followed the "Instructions for the Son of Man·Acupoint Method" and said: "The Ten Paths of Heaven's Heart are mountains that correspond to the front, back, left and right. There is a covered mountain at the back, a Zhaoshan mountain in front, and a mountain on the left and right sides. The mountain of Jia'er is called the four corresponding points: cover, shine, clamp, and arch. Therefore, there must be no gaps in this acupoint. When tapping a true acupoint, it must be carefully examined to avoid deviation. Otherwise, it will be a missing point. Therefore, the mountains holding the ears on the left and right should not be moved away from the front or behind, and the mountains covering the front and back should not be moved to the left or right. "It is beautiful if the four sides are aligned and aligned. The acupuncture point is considered by Feng Shui experts to be a sign of great wealth. Liu Ji's "Kanyu Manxing" says: "The Ten Paths of Heaven's Heart are still known accurately. You can lean back and kiss Jia'er Mountain, and have feelings from all around to illuminate the acupuncture points. You will definitely know that there are noble people who worship the dragon's face." In the Yangzhai, make the sign of the cross in the middle of the patio. , the four responses are the four walls. For multiple courtyards, draw a cross on the inner and outer gates or draw a cross on the middle of the highest courtyard. Then lower the compass to the center of the cross to determine the twenty-four mountain directions and the fourth east and west houses. , look at the cooperative relationship between the door, the host, and the stove to determine good or bad luck.