The invention discloses a convenient-to-use nebulizing diffuser and relates to the technical field of nebulizing diffusers. A glass bottle is inserted into the upper part of a base; a nozzle is arranged at the bottom of the glass bottle and is inserted into the base; a power plug is arranged on the base; a plurality of essential oil nozzles are arranged in the glass bottle, each essential oil nozzle is connected with an essential oil pipe, and the upper end of each essential oil pipe is fixed on a fixed ring and communicates with an essential oil in the fixed ring; a thread is arranged outside each fixed ring, and the fixed ring is screwed on a thread fixing frame at an upper port of the glass bottle through the thread; and the thread fixing frame is connected and fixed with the inner wall of the glass bottle through a fixed rod on the periphery. Fragrance diffusion can be carried out on various kinds of essential oil and is not affected by the categories and characteristics of the essential oil; a mixed odor caused by mixing of the essential oil is avoided; the cleaning frequency is reduced; and the practicability is higher.