Brain fatigue and neurasthenia formation process and symptoms there is a certain difference. 1. Brain fatigue is mainly caused by the patient’s continued prolonged or excessive intensity of mental labor, and common symptoms include headache, fatigue, anxiety, memory loss and so on. Mild brain fatigue can be relieved by relaxing the body and mind, combining work and rest, and paying attention to diet and sleep. When the symptoms are serious, you need to go to the hospital immediately to avoid delay. 2. Neurasthenia is mainly caused by long-term tension and stress, long-term sleep disorders, the main symptoms include weakness, fatigue, may also have chest pain, rapid heartbeat and other symptoms. When the symptoms are mild, they can be relieved by adjusting the mindset, going to bed early and waking up early, traveling and exercising, etc. In serious cases, they should consult a doctor in a timely manner and take medication in conjunction with the doctor, so as not to affect normal work and life. If the body is not feeling well, it is recommended to go to the regular hospital for examination and diagnosis, and actively cooperate with the treatment, so as not to delay the condition.