CASE HISTORYrnA male patient, 48 years old, a department director of a computer company, paid his first visit on May 8, 2006.rnHe complained of noctal emission 2-3 times a week for half a year because of mental stress caused by his work in relation to intense and fierce competition in IT industry in recent years under reform, aging process and other factors, accompanied by symptoms of lack of energy, lassitude, dizziness, tinnitus, poor memory, weakness and soreness of the low back and knees and poor appetite. He was afraid of seminal emission in sleep and that bothered him quite a lot.