There are generally two kinds of short lines like this, one is continuous, and the time is about two months, from 9 am to 5 pm. There is also a method that does not affect the usual work, which belongs to the weekend. But the time is almost the same every day, which is 6-8 hours. You can learn about your local situation in detail, and you can come here if it is convenient to come to Beijing. The study of kindergarten teachers here is still relatively cutting-edge and professional.