Chashan can raise running mountain pigs. The running pigs are fed fermented feed such as bean dregs, rice bran, broken corn stalks and corn, as well as green plants such as weeds and kudzu vine, which will not cause harm to Chashan. Moreover, the slope of Chashan Mountain is moderate, which can be used for running pigs up and down. Running mountain pig, similar to pig suborder, is a kind of pig that has no feed and no fence and is raised like cattle and sheep. In addition to eating, drinking and sleeping, everyone is free to move on the hillside. Due to pure ecological stocking, Baoshan pork is tender and has high lean meat content.