Also known as knot, it refers to the stagnation and fusion of flourishing gas and Long Mai at a certain position. "Buried Sutra": "If you feel angry, there will be a ghost blessing." Note: "The real dragon made its fortune, traveling hundreds of miles, or dozens of miles into the hole. When I arrived at the cave, there were mountains and mountains, surrounded by water, and the mountains piled up high, which surprised the rear. Long Mai controls the guards, and sand and water gather together. If the shape of the cave is right, the beauty of mountains and rivers and the essence of nature will condense and gather in it. " This shows that the conditions of the node must be that the dragon is really strong, surrounded by banners, surrounded by mountains and waters, Luocheng is round, the wall is heavily locked, the dragon hugs the tiger, Chaoan Mountain stands in front, and Letuo Mountain arches behind, so it hides the wind and gathers gas. However, due to the dragon's swaying, drifting, peeling and changing branches, different situations, and the collapse of Long Mai, there were fewer routines and more changes. Huang Miaoying's Boshan? On the acupoints, it says, "Water has knots, stones have stones, the ground is scattered, the ridges are present, Tian Xin is hidden, and he bounces over, occupying a high position ..." The feeling of knotting acupoints is different, and it is necessary to carefully check and distinguish acupoints to find the acupoints found by the dragons.