Coronavirus is a type of RNA virus that exists widely in nature. Infection with this virus will manifest as different clinical symptoms from the common cold to severe pneumonia. The coronavirus first discovered in Wuhan in December 2019 is a strain of virus that has not been previously found in humans. The WHO officially named it"2019 Novel Coronavirus (2019-nCov)". The use of nucleic acid diagnostic kit can quickly and accurately detect viruses and provide reference for disease prevention and control and clinical diagnosis and treatment.