The Ministry of Unification, for alleviation of tensions between the two Koreas, is planning cooperation in the health and medical fields such as COVID-19 quarantine and preparation against disaster. The relative priorities were determined for the areas for inter-Korean joint cooperation and the method. The results are as follows: First, experts suggested that the inter- Korean disaster safety cooperation is more important in Inter-Korean exchange area such as Mt. Kumgang and Kaesong Industrial Complex compared to in Area requiring joint response Second, they suggested that the inter-Korean disaster safety cooperation is more important in Recovery-centered type such as contingency and earthquake compared to in Slow progression or Strong-response types. Third, they recognized that the inter-Korean disaster cooperation is more important in the urgent response type than in the Permanent dispatch type. Fourth, they suggested that, although it is more difficult to reach an agreement between the two Koreas, the form of supporting using both equipment and personnel from is more necessary in inter-Korean cooperation in disaster safety.