At present, the phenomenon of “two long and one short” and “two more and one less” is common among young students. The so-called “two long and one short” is long reading time, long continuous eye time, short sleep time; “two more and one less” is more homework, more exams, less activities. Many parents hope that their children will become dragons and phoenixes, and spare no effort to hire tutors for their children, opening a small stove, which adds to the burden of students, resulting in the mind’s strings are always taut. As the eyes do not get proper rest, long time in a state of strong regulation, causing eye fatigue, creating the conditions for the occurrence of myopia. 1, extracurricular homework time. Primary 1 students, schools generally do not leave extracurricular homework; 2-4 grades, extracurricular homework time of about 0.5 hours; 5-6 grades, extracurricular homework time of 1 hour; middle school students 1.5 hours; high school students 2 hours. 2. Sleep time. Elementary school students should have no less than 10 hours per day; middle school students should have no less than 8 hours per day. However, most schools do not implement the provisions at all, and still assign a lot of homework every day, spending several times more time than the prescribed time for students. In particular, students who are facing secondary and high school exams are engaged in a sea of problems all day long, and their daily study time exceeds 12 hours, which seriously affects the physical and mental health of young people and causes the incidence of myopia to skyrocket. This phenomenon can no longer continue!