He took over the leadership of his family's printing conglomerate in Jianyang, Fujian after repeatedly failing the imperial examination, and was known for including portraits of himself in his publications.
[4] At the time of Yu's birth around 1560, his family owned the largest printing conglomerate in Jianyang, Fujian, which comprised some thirty independent publishing houses.
"[6] Yu is credited with authoring two shenmo novels—the Huaguang Tianwang Nanyou zhizhuan (華光天王南遊志傳)[c] and the Quanxiang Beiyou ji Xuandi chushen zhuan (全像北游記玄帝出身傳).
For instance, his additions to his 1594 edition of Water Margin were derided as "the hasty, slipshod writing of a relatively illiterate bookseller" by one reviewer.
[8] While many authors at the time were known to include their portraits in their books, it was "extremely rare" for commercial publishers to follow suit.