The facial expressions and behaviors of pigs often give people a lovely feeling. The living habits of pigs are relatively simple, and there is not much scheming, so it gives people a naive feeling. Pigs are relatively weak animals in nature and often become prey of other animals, so they often take a peaceful and friendly attitude towards each other.

Pig is a kind of mammal, which is usually considered as the main source of food and animal husbandry. The pig's body structure adapts to its survival in the natural environment, including its strong sense of smell, hearing, smell and touch, so that it can better find food, perceive the surrounding environment and protect itself.

Pigs play an important role in agricultural society and are widely used in food processing and animal husbandry. Pork is one of the main meat foods of human beings, and all parts of the pig have their special uses, including pigskin can be used as leather, pig hair can be used as brush, and pig manure can be used as fertilizer.

Pigs are also very clever animals. Although pigs are relatively weak animals in nature and often become prey of other animals, their intelligence and learning ability are very strong. For example, pigs can learn to use tools, solve problems and show trust in humans. In addition, sows are also excellent mothers and will take good care of piglets until they can live independently.

The value of pigs:

1, nutritional value. Pork contains a lot of protein, fat, carbohydrates and so on. It is an important food for people to supplement nutrition.

2. Economic value. Pork is an important part of animal husbandry, which has brought great economic benefits to farmers and related industries.

3. Social value. Pork is one of the most common meat foods in China, which has an important impact on people's quality of life and diet health.

4. Cultural values. Pigs have rich symbolic meanings in China culture. For example, "Nepenthes" means prosperous wealth, and "smooth pig affairs" means smooth career.