Not the most tired. Passengers will not day and night non-stop food, only in the meal time period will be a little busy, after the meal time period will be fine, but a lot easier than the waiter, so the passer is not the most tired. From the development of the catering industry, the trend will be to have fewer and fewer simple service staff. With the demographic dividend in the dilution, labor costs continue to rise, service personnel will gradually one person multi-tasking, like Hong Kong's stores, a waiter is both the door to welcome, but also billing, accounting, the waiter will be more and more demanding. Enterprises should broaden the recruitment horizons, more from the employment needs and job seekers comprehensive quality considerations, do not have to limit the age too much.