Hyperhidrosis is a condition in which the sympathetic nerves are overexcited or highly stressed, causing excessive sweat secretion. Under normal circumstances, the sympathetic nerve regulates body temperature by controlling sweating and heat dissipation, but in patients with hyperhidrosis, sweating and facial flushing are completely out of control, leaving the patient in a state of helplessness, agitation or panic. The diagnosis of sweating due to hyperhidrosis depends on the typical sweating manifestations, but also requires a combination of laboratory tests, imaging tests and autonomic function tests. There are no better measures for high sympathetic nervousness, but the main thing is to prevent related diseases. If there is a background of hereditary syndrome, preventive measures include the introduction of genetic counseling, carrier genetic testing and prenatal diagnosis and selective abortion to prevent the birth of affected children. Relaxation, attention to personal hygiene, frequent bathing and changing of clothes. The disease can be cured after controlling the primary lesion or predisposing factors, but it is prone to recurrence. Prompt medical attention should be sought. The following are ways to prevent and relieve high sympathetic tension: 1. Develop good sleep habits 2. Learn to reduce stress on yourself 3. Do some relaxation training Sit comfortably in a chair or lie on a bed, then send a message of rest to all parts of the body, starting with the left foot, so that the foot muscles tense and then loosen, while suggesting that it rest, then order the neck of the foot, calf, knee, thigh all the way to the trunk to rest. Then relax from the feet to the torso, then from the left and right hands to the torso, and then relax all from the torso to the neck, to the head, and to the face. This relaxation training technique needs to be practiced repeatedly to get a better grasp, and once you have mastered this technique will enable you to achieve a relaxed and calm state in just a few minutes. 4, some concentration training Here to introduce you to a small game used in psychology to exercise attention, in a table with 25 small squares, the numbers 1-25 disorder, fill in, and then count from 1 to 25 as fast as possible, to read while pointing out the same time, research shows that: 7-8 year old children in order to find the numbers on each chart is 30-50 seconds The average time to find the numbers on each chart is 30-50 seconds, 40-42 seconds; normal adults look at a chart is about 25-30 seconds, some people can be shortened to a dozen seconds, you can make a few more of these training sheets, training once a day, I believe that your attention level will gradually improve, develop good attention quality, improve student learning performance.