The last artwork of Beijing Poly Auctions is “the Big Family”, the masterpiece of Wu Guanzhong, was created in 1985 and published for more than ten times. This work participated in Chinese oil painting exhibition in 1986 in Singapore and collected by Doctor Lin Shaoming with 1,650,000 RMB. After 20 years, the work appears in Beijing Poly’s evening auction. The appearance of “the Big Family” provides a great opportunity for collectors to enjoy the work closely.