Origins The beizi originated in the
Song dynasty; According to
Ye Mende, the was initially worn as a military clothing with half-sleeves; the sleeves were later extended and hanging ribbons were added from the armpits and back. While women were allowed to wear beizi as a regular dress, men could only wear it in informal situation. During the Song dynasty, the was worn as a casual form of clothing by the recluse and retired officials; it could be worn over a
zhiduo. Hechang were long and loose, and it could be made of down of crane and other birds, it was long enough for its lower hem to reach the ground. File:Gauze Robe, Southern Song (33548426031).jpg|Unearthed with narrow sleeves from the tomb of Huang Sheng, Southern Song dynasty. File:蠶織圖局部2.jpg|Commoner women wearing i, Song dynasty. File:Looking in the Mirror and dabs on Rouge Powder.jpg|Song dynasty women wearing , Northern Song dynasty (960–1127 AD). File:CMOC Treasures of Ancient China exhibit - pictorial brick depicting a woman cleaning and drying vessels, print version.jpg|Song dynasty relief of a woman wearing a beizi. File:Sung Dynasty Tomb Painting Found in Tengfeng City 6.jpg|Women wearing , Song dynasty Tomb Painting Found in Tengfeng City. File:Court Ladies of the Former Shu by Tang Yin.jpg|Court Ladies of the
Former Shu wearing post-Tang Style beizi. File:Song Beizi.jpg|Song dynasty beizi, 12th century. File:Beizi song.jpg|A man wearing a "Song Style" , or . File:秦檜.jpg|A man wearing a . File:北宋 佚名 睢陽五老,畢世長像 冊頁-Portrait of Bi Shichang, from the set Five Old Men of Suiyang MET DP275671.jpg|Portrait of Bi Shichang wearing . File:宋梁楷東籬高士圖軸 Gentleman of the Eastern Fence detail K2A000127N000000000PAI.png|Painting of a scholar wearing fur-lined .
Ming dynasty Women's became so long by the 16th century that it caused some anxieties to government officials as the women's started to look closer to the men's clothing. Traditionally, women's upper garments stopped at her waist, being covered with a lower garment in order to represent "earth supporting heaven". In the 17th and 18th century AD, the was one of the most common clothing and fashion worn by women in Qing dynasty, along with the
ruqun,
yunjian, taozi and
bijia. The pifeng continued to be worn even after the fall of the
Qing dynasty, but eventually disappeared by the 19th century. File:Beizi 1.jpg|Modern pink pifeng. == Construction and design ==