Organic diseases are mainly due to one or more reasons, leading to a certain organ or a tissue system in the body to produce pathological changes, which in turn cause functional decline or loss, basically belong to the permanent damage is irreversible. In life, the more common organic diseases are heart disease, such as congenital heart disease, heart valve disease, cardiomyopathy, etc., in addition to gastric ulcer, pneumonia, inflammatory bowel disease, cholecystitis, gallbladder polyps, cholangitis, etc. are all organic diseases. Although organic diseases usually lead to the inability of an organ in the body to function normally, but there is still a certain gap with functional diseases. Functional diseases generally refer to an organ in the human body itself does not have any problems, but only dysfunction, through the appropriate treatment can make it return to normal work, such as cardiac neurosis, minor arrhythmia, etc. are functional diseases.