High blood pressure in children can be treated by the following measures: first, need to pay attention to rest, ensure adequate sleep quality and moderate exercise, avoid obesity; second, need to pay attention to diet, in terms of diet, need to be low-salt, low-fat, light diet, and eat more vegetables, fruits and other foods that have a slight effect on lowering blood pressure; third, you also need to orally some antihypertensive medication, antihypertensive medications should be the first single-drug treatment from the five major antihypertensive Drugs in the choice of one of the appropriate drugs, if the effect of lowering blood pressure is not good, it is necessary to two or even more than two antihypertensive drugs used in combination; Fourth, if the blood pressure is very high, there is damage to the heart, brain, kidneys and important organs, then you need to use intravenous blood pressure lowering drugs, such as sodium nitroprusside; Fifth, be sure to look for the cause of high blood pressure, so that you can be treated symptomatically.