Psychological disease or mental disease is that abnormal disorder of the mind. The specific cause of the mental disorder is unknown but there are many factors like hereditary, childhood trauma, stress, etc strongly related to mental diseases. Most of the people suffer from various psychological disorders but avoid medical consultation because of social tabu. But we should not keep on suffering from mental ailments. Homoeopathy plays a vital role in various psychological disorders. There are various mental diseases which may show manifestations as physical diseases.