The author, publication date, and main content are different.
1. The authors are different. The author of the Shui Jing Shen Xiang is Taoist Youji, while the author of the Mai Yi Taoist is the author of the Mai Yi Taoist.
2. The publication time is different. Shui Jing Shen Xiang was published in 2010, and Mai Shen Xiang was published in 2002.
3. The main content is different. There are four main volumes of Shui Jing Shen Xiang. Among them, "Facial Physiology" involves more than 100 kinds of shapes such as mouth, nose, ears, eyes, eyebrows, etc. "General Theory of Head Physiology" actually discusses the whole body of the human body. "Miscellaneous questions on physiognomy" put forward many incisive insights, and the discussions on the theory of disguise, the secret theory of Yin Zhi pattern, and the nine signs of physiognomy are even more brilliant. Ma Yi Shen Xiang specifically discusses the numerology of the twelve palaces such as the Ming Palace, the Migration Palace, and the Guanlu Palace. It is divided into the theory of physiognomy, the ten views, the five methods, the song of specific aspects, the theory of form and customs, and the theory of complexion.