If the temperature is too high, the meat will go bad and the sausage will turn sour. Ventilation is needed when roasting sausages. In the process of sausage roasting, it will also turn sour due to weather and other reasons. It needs to be hung in a cool place and dried before storage. Sausage is a kind of meat product with China characteristics, which is made of meat, diced, supplemented by auxiliary materials, poured into animal casings, fermented, aged and dried. It is the largest variety of meat products in China.