In the Kangxi period of Qing Dynasty, roast suckling pig was a famous court dish and became a main course in the "Manchu-Han banquet". With the popularity of "Man-Han banquet", roast suckling pigs have spread all over the country. In Guangzhou, roast suckling pigs have long been popular in the catering industry and are favored by diners. Made of suckling pigs, it should be regarded as "Chun Xue" in old Beijing restaurants, and it is a famous dish that rich and powerful people in the court eat when they feast. Later, it spread all over the world, and it is also the most famous specialty dish in Guangzhou, and it is also a must in the famous Guangdong barbecue at home and abroad.