神经衰弱是神经官能中最多见的一种。本症是由急性或慢性持续的精神因素所引起的神经过程过度紧张而产生的一种高级神经活动障碍。且以神经过程的易于兴奋,又迅速陷入疲劳为本病的主要特点。 Neurasthenia is one of the most common neuronal functions. The disease is caused by the acute or chronic mental factors caused by excessive nervous nervous processes resulting from a high level of neural activity disorders. And easy to excite the nervous process, and quickly fall into the main features of fatigue-based disease.