The four-character idiom of Li Ji's hoof in Puyang is called "the taste buds are wide open". "Taste buds are wide open" is an idiom that describes that food tastes good and makes people feel very satisfied. It describes the delicacy of Li Ji pig's trotters in Puyang very aptly. Li Ji pig's trotters in Puyang are made of superior pig's trotters. After careful preparation, the meat is tender, the taste is tender and smooth, the skin and fascia are tasty, and the flavor is rich, which can greatly satisfy and enjoy people's taste buds when eating. Therefore, it is very appropriate to use this idiom to name it. In addition, the idiom "taste buds are wide open" can also attract more diners to Puyang to taste Li Ji's trotters, which improves the restaurant's popularity and reputation.