Imidazole is an important five-membered nitrogen-containing heterocyclic compound. Among the numerous heterocyclic compounds, imidazole and its derivatives are regarded as a unique and multifaceted scaffold material due to their diverse applications in industrial, organic and pharmaceutical chemistry. Imidazoles interact in different ways with many therapeutic targets, enzymes and receptors in biological systems and thus exhibit a wide range of biological activities. In particular, several imidazoles can be used as clinical drugs to treat various types of cancer with high therapeutic efficacy. Furthermore, imidazoles are one of the most critical segments in the field of anti-covid-19 virus drug discovery due to their ability to interact with active targets in living systems.