油菜根肿病是一种重要的土传病害，它可使油菜的根部肿大致病，最终使油菜的产量和质量受损，严重威胁着油菜等十字花科作物的生产。为了给油菜根肿病的防治提供科学的理论依据，通过查阅大量文献资料，较为详尽地阐述了油菜根肿病的发病分布、危害症状、发生规律以及当前我国的综合防治措施。

Rape clubroot disease is acrucial soil-borne disease, which could cause root swelling of Brassica napus L., and ultimately damage the yield and quality of rape, therefore, it seriously threatens the production of rape and other Brassicaceae crops. To provide theoretical evidence for the prevention of rape clubroot disease, incidence distribution, damage characteristics, regularity of outbreak and comprehensive prevention countermeasures for rape clubroot disease in China were elaborated in detail in this paper through extensive literature reviewing.

S565.4