The essence is different and the content is different.
According to the query on the personal library website, the differences between the Gate Tower Sutra and the Jade Chaan Sutra of the Bazhai School are as follows:
Essentially different: the Gate Tower Sutra is a copy of Liu Bowen's "General Theory of Geography" and "Principles of Geography". It is a collection of Kanyu Feng Shui works such as "Zhen", "Yangzhai Essence" and "Huangquan Jieyao"; the Jade Chaan Jing Bazhai School is a Kanyu theory based on Bagua.
The content is different: the Gate Tower Sutra is a comprehensive collection of such ancient folk books; the Jade Chariot Sutra is based on the theory of sitting on a mountain, corresponding to the eight directions of people and houses, and then using people The fortune hexagram is combined with it to get the good and bad luck of the eight directions of the house.