Herniate disc disease is one of the biggest problem in claim of insurance as well as in medical. Herniate disc disease have recently increased, and it is ranked 8th in claim reasons recently. As an underwriter and physical therapist, I want to study interrelationship of insurance and disc disease. I think it is necessary to know about knowledge of medical, so this study is given some space to structure of spine, cause of herniated disc disease, role of disc, methods of classification of disable (McBride method and AMA method), and spine disability stage. disc surgery is divided laparoscope disc surgery and spine surgery. I analysis it some factors- gender, age, occupation, re-surgery, and state of after surgery - through searching medical papers. I suggest below conclusion to underwriter because it can be useful to make questionnaire, and underwriter can expect prognosis. conclusion The negative factors of disc surgery (compare to other cases) were as follows: 1. endoscope disc surgery: $20{sim}40year$ old man, hospitalization period more than 5 days. 2. spine surgery: $45{sim}70year$ old woman, hospitalization period more than 15 days. 3. re-surgery experience: exist 4. working condition: a person who draws a small income, non-regular worker, working period is less than 1 year. 5. method of surgery: pedicle screw fixation. spine fusion surgery, artificial disc surgery. 6. post surgery condition: appearance of muscle weakness, paralysis, reference pain, lordosis, kyphosis, and complication. smoker or take a drink.