Drama to develop rule is describe, at first. Then to express ones feelings (to describe→to express ones feelings). Kuan-HannChing、Wang-ShyrFuu、Ma-JyhYeuan is famous dramatist in Yun-tai. From they dramas style you can find "by dramatist write drama" and "by poem write dramas" and "by dramas write poetry" different style. However, Kuan "by dramatist write drama"→Wang "by poem write dramas"→Ma "by dramas write poetry" rule is Chinese drama develop rule. This text, To describe Kuan、Wang、Ma by drama "express ones feelings" . At first explain they drama, then to study Yun-tai、Ming-tai、Ching-tai etc dramatist style. According to this study we understand: The Kuan、Wang、Ma drama style is "express ones feelings" and string Chinese dramas develop.