Bangladesh has made a commendable progress in achieving SDG goals, specially poverty alleviation and hunger eradication. Since 2020, COVID-19 pandemic has imposed a great uncertainty in the economy, food security throughout the whole world. To combat the contagiousness nature of this pandemic, countries had to adopt general holidays or lock down for quite a long period. In this pandemic, we had to face lock down to save lives. So, ensuring food security has become a great challenge. This paper, we have analysis the achievements of Bangladesh to ensure food security and reach Sustainable Development Goal (SDG) 2: Zero Hunger. We have discussed the challenges and steps of government to achieve this goal and ensure food security in both normal situation and pandemic situation. It is also recommended that immediate and long-term steps to be taken in achieving and sustaining food security in Post COVID-19 era so that we can achieve our sustainable development goal of hunger eradication.