Neurosis is a relatively common clinical mental disorder, mainly manifested as: anxiety, depression, fear, obsessive-compulsive, hypochondriac or neurasthenia. It has a variety of causes, including the following: First of all, because neurosis is a psychological disease, so its onset is usually closely related to the psychosocial factors, with the development of society, people’s work, life pressure is increasing suddenly, resulting in a lot of people’s mental high tensions, which caused the onset of neurosis. Secondly, the onset of neurosis is also closely related to personal qualities. People with certain specific personalities are often susceptible to the disease, such as: sentimental personality, unstable emotions, pessimism, overly stereotypical, overly introverted, withdrawn, and anxious qualities. Finally, neurosis is a kind of functional mental disorder disease, so, generally no organic lesions, patients have a certain degree of self-awareness, often able to take the initiative to seek treatment. Therefore, patients suffering from neurosis need to develop good habits, maintain a healthy lifestyle, and cultivate a good emotional state, as a way to avoid recurrent episodes of the disease and promote physical and mental health. More importantly, they should seek timely medical attention and regular treatment.