Dumpling houses are not a business of killing. As a catering industry, the essence of dumplings is to provide food and services to customers and obtain certain economic benefits. It can't be said that dumplings are a killing business. Dumplings can also promote vegetarian jiaozi and other more environmentally friendly and healthy foods, reduce the harm to animal life and promote the sustainable development of society. Therefore, it is not accurate to say that dumplings are a killing business.