Neurosis, also known as neurosis, is also a type of mental illness, except that neurosis is relatively mild and is usually caused by psychological conflicts, which can be improved by psychotherapy without medication. In contrast, most psychiatric disorders are caused by a person’s cognition, emotion, thinking, and action behavior are significantly abnormal, appearing very abnormal and different compared to normal people, manifesting as obvious disorders of speech and behavior, a serious psychological disorder, these psychological disorders cannot be significantly improved through psychotherapy, and must be treated only through the use of antipsychotic drugs, patients often have no judgment about their mental Patients often have no judgment about their mental symptoms, do not think they are sick, and will not actively seek treatment, while neurosis patients often seek help in hospitals on their own and will actively seek treatment, which is the difference between neurosis and psychosis.