Abstract: Objective To explore strategies of improving malaria diagnosis and treamtent accessibility for ethnicminorities in remote mountainous areas.Methods Malaria diagnosis and treamtent were given freely.Local village malaria control workers from the same ethnic group were trained to prepare blood smears of febrile patients,send anti-mlarial durgs,monitor treamtent forma lariapatients,and deliver facetoface health education by visiting their fellow villagers house by house.Results Village health worker resident ratios changed from 1:1116.75 prior intervention to 1:248.17 post in tervention.Proportions of febrile patients seeking treatment with in 24 hours of fever onset,of using public health facilities among febrile patients and of villagers who were satisfied with malarial control service increased from baseline 23.03(95%CI=18.81-27.71),56.94%(95%CI=52.55-61.25),and 82.65%(95%CI=81.23-86.31)to 86.96%(95%CI=68.47-96.57),91.30%(95%CI=74.13-98.51),and 96.81%(95%CI=93.08-98.82)after the intervention.Conclusion Improved accessibility of malaria diagnosis and treatment in economics,commute,information and attitud declined malaria incidence and prevalence with other measure together.