Pesticides　are　biological　or　chemical　substances　used　to　manage　pests　and　diseases.　Encapsulation　of　pesticides　in　biodegradable　carriers　creates　a　slow-release　system　that　can　improve　water　dispersibility　and　prolong　residual　activity.　We　prepared　two　kinds　of　poly　(lactic-co-glycolic　acid)(PLGA)　nanoparticles　(NPs)　with　polyvinyl　alcohol　(PVA)　and　sodium　dodecyl　sulfate　(SDS)　surfactants.　These　were　used　to　encapsulate　the　fungicide　fluazinam　(Flu)　against　Rhizoctonia　solani　using　the　Shirasu　Porous　Glass　(SPG)　membrane　emulsification　method.　Both　nanoparticles　had　uniform　spherical　shapes　with　average　diameters　of　314.13　nm　(SDS)　and　612.80　nm　(PVA).　The　slow-release　microspheres　had　excellent　sustained-release　properties,　resistance　to　UV　degradation,　storage　stability,　leaf　surface　coverage　and　antifungal　efficacy　compared　to　the　commercial　formulation.