What industry does upper, middle and lower refer to?

Emperors, sages, hermits, immortals, literati, warriors, farmers, workers, businessmen, buddhas, heavens, emperors, officials, cabinet elders, prime ministers, Jin, Ju, Buddha, immortals, emperors, officials, bucket officials, scales, workers, businessmen, farmlands, buddhas, immortals and emperors.

2. In nine streams

Juzi, doctor, fortune teller, Dan Qing, scholar, Chyi Chin, monk, Taoist, Ni Xiucai, doctor, Dan Qing, skin (shadow play), playing singing, gold (divination), monk, Taoist, chess, Chyi Chin, medicine, geomantic omen, criticism, Dan Qing, painting, monk, Taoist, Chyi Chin.

3. The next nine streams

Master, servant, scale, matchmaker, pawn, time demon, thief, thief, prostitute, trumpeter, circus, pusher, pool, back rubbing, repair, matchmaking, prostitute beating dogs, selling oil, pedicure, shaving, lifting vegetables, tailor, actor, prostitute, hand blowing witch, prostitute, prostitute.

brief introduction

In the history of China, the division of people began in the Shang and Zhou Dynasties, and the four industries of scholars, agriculture, industry and commerce lasted for thousands of years. Later, the finer the division, the classification of "nine streams", and the nine streams disagreed. Later, the nine streams were not divided into 27 occupations, which were divided into three categories: upper nine streams, middle nine streams and lower nine streams, but there was no such thing.