Mass killing and injuring by purpose, the countries that is hurrying countermeasure preparation of investigators who enforce that necessity to compare to intimidation of doing creature weapon is common concerns of the several countries including advanced nation such as the United States of America. Development and use of biological weapon have increased too recently to private citizens unlike development of military purpose in country dimension. The latest WHO is preparing proposal of standard stroke model who each department solidifies preparedness for chemical biological and electronic weapon revising report about biological weapon. But in case of korea, confrontation plan that bamboo broom about possibility of attack to the common people and attack comparing actural state in case of attained nothing but is readying remedy about biological warfare partially in military dimension was not readied. The purpose of this article is a study on threat of bio-weapons and the countermeasure.