The earliest source of knitting sweaters is a song, and the creator and singer is Zhang Weiwei, an independent musician. The popularity of this song on the Internet is "first song is red, then word is red", which originated from Luo Yonghao's release of Zhang Weiwei's lyrics on his Weibo. 20 10 February 1 1 day, Luo Yonghao, affectionately called "Lao Luo" by netizens, posted such a thing on his homepage of Weibo and Renren: "Zhang Weiwei sang a folk song in the Jianghu bar on Tuesday night, and the lyrics were probably like this:' I love you deeply.

Overnight, the whole network was talking about one thing: knitting sweaters. Someone murmured in the signature: "You knitted him a sweater!" Others compare "knitting a sweater" to "an almond outside the wall". As the latter part of the sentence, there are various verses, such as "asking how the world is doing, knitting a sweater is committed to life and death" or "suddenly looking back, that person is still knitting a sweater ..." What is knitting a sweater? In fact, "Knitting a Sweater" is a song with funny and sad lyrics, which makes knitting a sweater the object of repeated spoof and creation.