Coronavirus is spreading from animal market of Wuhan in central China. There are several types of coronavirus but all are not dangerous but this new coronavirus is very dangerous. It is a group of RNA viruses that cause a variety of disease in animal and animal to human. The world health organization (WHO) announced that coronavirus 2019 (COVID-19) is a pandemic. As of 7th April 2022, almost 493,392,853 confirmed cases of COVID-19 including 6,165,833 deaths have been reported to the World Health Organization. The SARS-CoV-2 pandemic represents a potential threat to patients and healthcare systems worldwide. Patients with the worst outcomes and higher mortality are reported to include older adults, polymorbid individuals, and malnourished people in general. Mild symptoms of coronavirus are cough, shortness of breath and severe problems are pneumonia, kidney failure and death also. Basically corona virus effects on immune systems and decrease the immune power. There are no specific treatments or vaccines for this disease still now. Hence in this condition, people have to maintain immunity and should increase immune power to fight against coronavirus. Only washing hand and wearing a mask are not enough to fight against this virus, people have to modify their daily diet. This article summarizes the immune boosting therapeutic diet and dietary nutrients on COVID-19.