It is a mountain village where agriculture and forestry are being operated together and is the pure area(chungjung area) which cultivates pyogo mushrooms and chemical-free rice. Usan Jirungi village is the only village to use excrement of worms to harvest agricultural products such as ssam vegetables, specialized vegetables, cabbages, red peppers and beans. The village

It is a typical farm village where the agriculture and forestry are being operated together and is the pure area(chungjung area) which cultivates pyogo mushrooms, Pleurotus ostreatus (neutari mushrooms) and chemical-free rice. Usan Jirungi village is the only village to operate the worm ecology school which many tourists visit. There are various experiencing events such as worm ecology experience, Ssam vegetable harvesting experience, slow food experience, vegetable specialization experience and Shilgechun ecology experience that you can enjoy at Usan Jirungi village - renown for creating slow world area.

Especially at the worm ecology learning class, you learn about the ecology and the roles of worms(recover soil, purify rivers and dispose food wastes) and the usage of worm excrement by the expert. Also, the village is the place of experiencing nature and environment where families can cultivate their own famland on weekends.