During the global pandemic of novel coronavirus infection (COVID-19), an increasing number of bacterial and fungal infections have been reported, becoming one of the important causes of death from COVID-19. Compared with before the pandemic, there are more antimicrobial resistance bacteria in COVID-19 associated bacterial infections, and Aspergillus, candida and mucor are more common in COVID-19 associated fungal infections, which brings great challenges to COVID-19 disease control. In this paper, progress and characteristics of COVID-19 associated bacterial and fungal infections are reviewed to strengthen the clinical attention to COVID-19 associated bacterial and fungal infections and provide reference for further standardizating antimicrobial treatment and management