The 'big difference' of the beard is a lamb soup restaurant. Open on the side of the water well. Zhang Bingsen, also known as Zhang Beard, was born in Chongqing County. In 1933, he opened a lamb soup restaurant called "Big Difference" in Kangding. The characteristics of the restaurant are fresh, tender, roasted, fragrant lamb, milky white soup, and delicious taste. Paired with roasted salt, cilantro, and minced red chili, without adding MSG, the soup remains fresh and delicious. Kangding diners all want to go and indulge in delicious food, without exception. He also has a sheep pen built in Dafeng Bay outside Dongguan, hires people to herd sheep, and kills them at any time, but the supply is still in short supply.