Pig spleen (scientific name "pancreas") belongs to the organ of digestive system. Growing in the abdomen, it is connected with the intestine horizontally, like a long tongue, which is called "Hengli of a pig" in Cantonese (Cantonese people call the tongue in the mouth "Li" instead of tongue; Losing money in business is called "erosion" in Cantonese, which is homophonic with the tongue. In order to avoid this "erosion", it was renamed "profit"; Because the spleen looks like a long tongue, it is called "horizontal drain").