The 007 working system is from 0: 00 on the same day to 0: 00 on the next day, with no rest for seven days a week. The working system of 007 means that when you are asleep, your brain and other organs will still work tirelessly. In addition, 007 working system is also called irregular working system, because there is no fixed working time limit, which is aimed at the situation that it is necessary to go to work continuously or it is difficult to get to and from work on time because of the special needs of production characteristics, work nature or responsibilities.