家畜的大、小肠经刮制而成的坚韧半透明薄膜。按畜别分为猪肠衣、羊肠衣和牛肠衣3类,并可分为小肠衣和大肠衣。主要用作填充香肠和灌肠的外衣；羊肠衣还可制成肠线，供制作网球拍线、弓弦、乐器弦线和外科缝合线等用。中国加工肠衣已有百余年历史，猪肠衣多产于华东和华中；羊肠衣多产于华北、东北和内蒙古。最初仅用于弓弦和弹棉花的弦线，产量有限。20世纪初期开始在天津、北京等地设厂加工生产，很快成为中国重要的出口物资。

A tough translucent film formed by scraping the large and small intestines of livestock. According to livestock *, they can be divided into 3 categories: pig casing, sheep casing and cattle casing, and can be divided into intestinal clothing and colonic clothing. Mainly used for filling sausage and enema coat; sheepcaiguangwa.89ix.comdipinh.89ix.comdipingg.89ix.comzhusuji.89ix.comceshi.89ix.commend.89ix.

com sausage can also be made into intestinal thread for tennis racket string, bowstring, instrument string and surgical suture. China has a history of processing sausage for more than 100 years. Pig sausage is mostly produced in East and Central China, while sheep sausage is mostly produced in North China, Northeast China and Inner Mongolia.* Originally used only for bowstring and cotton string, production is limited. In the early 20th century, factories were set up in Tianjin, Beijing and other places for processing and production, which soon became an important export material of China.