The 2019 coronavirus disease (COVID-19) became a global pandemic only a few months after it emerged in China. Besides, this pandemic imposed adverse consequences on public health, particularly on the mental health status of individuals with serious mental illness. However, the adverse effects of the COVID-19 pandemic on the patients with feeding and eating disorders (FEDs) are at this stage unclear. In this letter, the author seeks to acknowledge the risks of worsening FEDs during this uncertain period.