The combat power and strength of individual soldiers are directly linked to their integrated health level. In order to complete the mission with strong mental and physical strength on the battlefield, they must manage their health to the highest level and concentrate all their efforts even in peacetime. The smart military system in the era of defense innovation 4.0 should include the future development direction of the military medical system, as well as various studies and long-term plans on the prevention-oriented health care system. Therefore, smart health cohort research for soldiers should be started before it is too late. In conclusion, to complete the smart military health support system, the first stage: development and demonstration of a customized health care service model for soldiers, second stage: connection of health examination results with regular health counseling, and third stage: integrated health and welfare control tower. As a result, each soldier will be fostered as an AI science powerhouse.