When measuring ancestral graves with six lines, it depends on what is to be measured. There are many kinds of things that can be measured, so the gods used are also diverse. There is no need to determine the gods in one hexagram. Probably, the deceased person's life is the acupoint, the tomb of Nayin is the tomb, the line of Nayin is the direction, the inner hexagram is the top of the mountain, the outer hexagram is the direction, and the world line is the acupoint site. The acupoints in Lin and Yao 2 can get the vitality of the mountain, and the descendants should be like kings, generals and ministers; in the third and fourth yao of Shi Ni, the acupoints can get the remaining energy of the mountain, so the descendants can only be rich and prosperous; Shilin 562 The position is that the top of the mountain has lost its vitality, which is not suitable for the mountain shape and terrain, so the owner has no heir. In the world, when the wandering soul is active and engaged in business; when the returning soul is stagnant, it is unlucky. If the world is in harmony with each other, it will naturally be surrounded by mountains and rivers with emotions; if it encounters conflict with each other, it will naturally be like sand flying behind the water. That's about it. If you want to look at the good and bad luck of ancestral graves in detail, there are so many things to talk about. This is the basic knowledge that professional Feng Shui readers should master. Ordinary people don’t need to go into details. If you are interested and want to learn, you should study with a teacher or learn from it. Self-study is fine, just read more books. Liu Bowen's "Golden Strategy" talks about various things about measuring ancestral graves with six lines. It's worth reading.