The invention provides an electric mosquito-repelling liquid for repelling mosquitoes, inhibiting bacteria, refreshing and energizing, and a preparation method thereof. The electric mosquito-repelling liquid for repelling mosquitoes, inhibiting bacteria, refreshing and energizing comprises folium eucalypti oil, mint oil, Arabic gum, gelatin, distilled water, a citronella extracting liquid, a folium artemisiae argyi extracting liquid, a green tea extracting liquid, a dried orange peel extracting liquid, a rosemary extracting liquid, a camphor tree leaf extracting liquid, a marigold extracting liquid, a jasmine flower extracting liquid, a lavender extracting liquid, a touch grass extracting liquid, a plantain herb extracting liquid, a tomato leaf extracting liquid, a illicium verum extracting liquid, propylene glycol, vitamin B1 and ethyl hydroxybenzoate. Compared with the prior art, the electric mosquito-repelling liquid for repelling mosquitoes, inhibiting bacteria, refreshing and energizing, provided by the invention, can refresh and purify air, tranquilize and allay excitement, deorodrize competitiveness and realize long-lasting and durable mosquito repelling, also can be applied onto skin, is safe and non-irritant, and effectively relieves pruritus caused by mosquito bites.