How to use the Ye Yin method, for example, which word is the sound of "Ye Mei is poor and rebellious", or which initials and finals are pronounced?

According to your writing, the word should be pronounced "person". Ye Moumou is the opposite. Generally, the first word takes the initials, and the last word takes the finals and tones.

"Ye (pronounced' He') Phonetic Theory" is a kind of wrong phonetic notation that blindly falsifies phonetics. Because the pronunciation of ancient times developed to the late Middle Ages and the recent ancient times, the pronunciation of some words has undergone great evolution and changes, resulting in the sentences in some ancient books no longer rhyme with the pronunciation at that time. Later, some scholars did not understand that pronunciation was constantly evolving, so they subjectively changed the ancient pronunciation to the pronunciation at that time. Ye Yin method is mostly used to annotate ancient books such as The Book of Songs. It is a wrong phonetic notation, and many of them are fabricated by the annotator subjectively, which is of no use.