Three fresh jiaozi is generally divided into three fresh meats and three fresh vegetables. Three fresh meats are shrimp, pork and leek. Su Sanxian is: leek, egg and shrimp skin. In addition, there is a kind of jiaozi with three fresh fillings, which is made of pork, shrimp and eggs wrapped in jiaozi.

Jiaozi originated in the ancient corner of China, and was originally named Joule, a traditional noodle of Han nationality, with a history of 1800 years. It was invented by Zhang Zhongjing, a native of Nieyang (now Dengzhou, Nanyang, Henan) in the Eastern Han Dynasty, and was originally used as medicine. Jiaozi, also known as jiaozi, is deeply loved by the people of China. It is a staple food for people in northern China, a local snack, and also a Chinese New Year food. There is a folk proverb called "freezing in the cold, eating jiaozi in the New Year." And jiaozi often cooks with flour and leather bag stuffing.