Abstract: Corona virus disease is an infectious disease caused by a newly discovered corona virus .It is resembles to crown under electron microscope so the name corona came. Corona virus is large family of enveloped RNA viruses; it is mainly attacked on respiratory system, Seen mostly in age group of 30 to 79 years. This new virus and disease were unknown before the outbreak began in Wuhan, China, in December 2019.It is transmit through droplets to person and thete no vaccine till now so ,prevention is better way to fight against corona virus and disease.