You can bring it. According to the "Railway Passenger Transport Regulations" issued by the official website of Query 12306, barreled soaked duck feet can be brought on the train after passing food inspection and showing no danger. Barrel soaked duck feet are produced in Longyan, Fujian. It is a local Hakka snack in Xinfeng, Shaoguan. It belongs to the Fujian cuisine. It is a breakfast, late-night snack, tea or banquet decoration, and is also a convenient food for after-dinner entertainment.