The invention discloses a multifunctional sterilizing cabinet for hair products. The multifunctional sterilizing cabinet comprises a cabinet body. The right side of the cabinet body is fixedly connected with a dryer, and the top of the dryer communicates with a pipeline. The side, away from the dryer, of the pipeline communicates with the top of the cabinet body, and sliding grooves are formed inthe two sides of an inner cavity of the cabinet body. Inner cavities of the sliding grooves are in sliding connection with a first sliding block and a second sliding block correspondingly. The end, away from the sliding grooves, of the first sliding block is fixedly connected with a first containing net. According to the multifunctional sterilizing cabinet, by means of cooperative use of the cabinet body, the dryer, the pipeline, the sliding grooves, the first sliding block, a second sliding block, a first containing net, a second containing net, a threaded pipe, a threaded rod, a threaded sleeve, a supporting plate, a motor, a rotary disc, a fixed rod, a connecting rod, a support and an ultraviolet disinfection light, the cleaned hair products can be dried effectively and fast, the hair products are sterilized and disinfected better, and a better sterilization effect is achieved.