Oil-leakage-proof fragrance diffuser

The invention provides an oil leakage prevention fragrance diffuser which comprises a base and an outer body, the outer body is arranged above the base, the fragrance diffuser further comprises an atomizing core, a support, an oil return pipe and an oil suction pipe, an upper cavity is formed in the outer body, the support is arranged on the upper portion of the inner wall of the upper cavity in a sealed mode, the atomizing core is fixed to the support, and an oil bottle is connected to the lower portion of the support. One ends of the oil return pipe and the oil suction pipe are arranged in the oil bottle, the other ends are hermetically arranged at the bottom of the support, the oil suction pipe is connected with the atomizing core, and the atomizing core is provided with a mist outlet channel communicated with the outside. The oil bottle is connected to the lower portion of the support, the support is arranged on the upper portion of the inner wall of the upper cavity in a sealed mode, and when the fragran