Not difficult. Uniqlo sales staff belong to clothing store sales, and generally implement shift system. Their working hours are relatively free, they have plenty of rest time, and they only need to go to work in fixed shifts; Moreover, the work content is relatively simple and easy to get started. It only needs a good attitude to serve customers, help customers with clothes of corresponding sizes or introduce the quality of clothes when they need it, and there is no difficulty coefficient. So the sales staff of Uniqlo don't work hard.