Schmidt’s Nodule is a special type of herniated disc in which the nucleus pulposus tissue of the intervertebral disc protrudes into the cancellous substance of the vertebral body, resulting in a semicircular defect shadow of the vertebral body on imaging. 1. When there is an intervertebral disc between two vertebrae, the degeneration of the vertebral body leads to the rupture of the annulus fibrosus, and the nucleus pulposus is dehydrated and protrudes into the vertebral body under the effect of gravity, the defective shadow or protruding portion of the vertebral body on imaging is called a Schmidt’s nodule, and it is mostly found in the thoracic and lumbar vertebrae. 2. Generally speaking, Schmidt’s Nodule does not cause symptoms and does not require special treatment, so it can be treated by paying attention to the exercise of back muscles in daily life. 3. When the Schmidt’s nodes protrude too far into the vertebrae and cause the bone at the back of the vertebrae to continue to protrude backward, nerve root compression symptoms, such as lumbar pain, etc., then you need to actively consult a doctor for medication (e.g., ibuprofen) and surgery under the guidance of the doctor. It is recommended that patients with Schmidt’s Nodule should go to the hospital in time to avoid delaying their condition.