Myopia of 600 degrees or more is called high myopia. High myopia control degree mainly have the following points: 1, reduce the use of close eyes, especially the use of electronic devices, reduce the use of electronic devices, so that the eyes will not be too fatigued, so that the eyes are in a relaxed state, and thus delay the growth of the degree; 2, increase outdoor activities, outdoor activities can make sufficient sunlight, and make the body receive more sunlight, but also so that the eyes can look away and relax, to achieve the effect of relieving 3, you can use eye drops, such as Sturgeon drops, sodium glass acid eye drops, which can also achieve the effect of relieving fatigue; 4, if the degree is really growing faster, the annual growth is more than 100 degrees, you can also use surgical treatment, now mainly scleral pad pressure, can also make the degree to a certain delay.