1. Knowing each person's date of birth can be used to identify changes in the health and the health of a person by identifying which organ causes the disease. 2. How to predict how the disease can occur by knowing the present abnormal climate 3. About 80% of almost all people are caused by diseases of the elderly constitution, so we introduced disease prevention methods and various ways to improve the disease. 4. There are about 3 to 4 million people who have studied the Korean handicrafts all o