Coronavirus is a SARS(Severe acute respiratory syndrome) like a virus in which this review article states how coronavirus affects the human body and mechanism of how it will enter the host cell. Knowing the mechanism of infection it is possible for a scientist to find an antidote within less span of time, not wasting on other processes. Coronavirus is Initially originated in China, Wuhan city and has become pandemic with 4,68,644 people’s got infected and death troll of about 21,191. India along counts about 614 cases and 9 deaths still now with Kerala standing in highest infectants followed by Maharashtra. Presently several hot spots were created for carrying research on the virus. I hope that this article will create a foundation for discovering new vaccines and making the most possible way to cure the disease.