Psychiatric Imaging is a new interdisciplinary field of medicine, involving psychology and brain cognitive science, neuroscience, engineering, chemistry and computer science. With the development and update of multi-modal imaging technology, especially magnetic resonance technology, it has been able to evaluate the structure and function of tne human brain in vivo objectively and noninvasively. It is one of the frontier research methods in the field of psychiatry and psychology. It has been widely used in clinical for many mental disorders, such as schizophrenia, bipolar, neurocognitive disorder, obsessive-compulsive disorder, anxiety disorder, post-traumatic stress disorder, attention deficit hyperactivity disorder and other mental diseases.