The word "Zha Shenxian" in Suzhou dialect means "crowded". It means "crowded" in Suzhou dialect, which is equivalent to "crowded". Suzhou people have a saying that "Zha Naomeng". The word originated on April 14, which is the birthday of Lu Chunyang, one of the eight immortals. It is said that Lu Chunyang would turn into a beggar and a peddler on his birthday to help others in the crowd. Therefore, everyone could be a beggar on such a prosperous day His incarnation, rolling to his side, will get immortal gas, good luck, so you squeeze me, called "rolling immortal".