The first Chinese stenography “Chuan Yin Kuai zi” was geometric system in 1896.

After the Pacific War, Russian stenography was introduced to China.
Next year ,Prof. Yan Ting Chao and Prof. Tang Ya Wei each developed the First Chinese cursive systems and released in the journal in 1952.

The Joint study to develop new theory made a fruit in 3 Y system by Yan, Ya Wei and Yan De Qin .