Due to their unique morphological characteristics and bionomics bumblebees play an important role in plant pollination. However, various pathogens such as parasites and fungi, have caused the diversity of bumblebees to decline sharply in many parts of the world in recent decades. The global commercial supply and application of the European bumblebee, Bombus terrestris, has intensified the spread of bumblebee pathogens and has led to this species becoming invasive in many places, resulting in a decline in local bee pollinators. This article reviews the types, hazards, and spread of the main bumblebee pathogens and parasites, and proposes management measures for imported commercial bumblebees, thereby laying a foundation for the protection of native Chinese bumblebees.