In the academic community,little work has been done to discuss the Ping-ze format in Ze tonal rhyme metrical verse specially.

Through the survey on 1,293 in tone characters in The N ew Rhymes Corpu s and in reference to the phonetic notation, explanation and phrases in The Chin ese Grand Dictionary, The Chinese Dictionary and The Xinhua Dictionary, the resu lt reveals that the old in tone characters fall into four of the nine rhymes, a n d that 604 characters are of flat tone and the rest of oblique tone.