[Objective]The study aimed to investigate the kinds of pests and diseases of Pelargonium graveolens L.Her and their damages and explore its control technique on its main pests.[Method]In 2007-2008,the pests and diseases of P.graveolens were investigated in mainly planting base in Guangxi province and the field experiment was made by randomized block design.[Result]There were 22 kinds of pests and 5 kinds of diseases on P.graveolens,in which,the peak of the mainly pest Prodenia litura Fabricius occurred in June and September.The field experiment showed that 5% hexaflumuron SC and 1% emamectin benzoate SC had higher control effect on the Prodenia litura Fabricius,with the control efficiency after the pesticide application for 7 d being over 88.58% and the effective duration being 14 d.[Conclusion]The study provided a useful support for the disease and pest control work in the standardized plant of P.graveolens.