Panlongxu in Ganzhou is a single place. Panlongwei in Ganzhou is arranged according to the lunar calendar, whether it is singles or doubles. In the traditional Chinese calendar in China, some dates are considered as "single days", that is, there is only one number, such as 1, 3, 5, etc. And some dates are considered as "double dates", that is, two identical numbers, such as the 2nd, 4th and 6th. Panlongxu in Ganzhou refers to a traditional market in dingnan county, Ganzhou City, Jiangxi Province.