“网瘾症”是过度迷恋网络的心理疾病。目前,此类疾病的患者一般在15～40岁之间,以初中生、高中生和大学生居多。这些病人的主要症状表现是:上网时间不能自控,沉迷其中难以自拔;上网就精神振奋、欢乐无比,下网就情绪低落、疲乏无力、食欲不振 “Internet addiction disorder ” is a psychological disease that is over obsessed with the network. Currently, patients with such diseases are generally 15 to 40 years of age, mostly junior high school students, high school students and college students. The main symptoms of these patients are: Internet time can not be controlled, addicted to one of them hard to extricate themselves; the Internet on the spirit of excitement, joy, the Internet on depression, fatigue, loss of appetite