The utility model discloses a hair curler. The hair curler comprises a handle assembly and a hair curler head connected with the handle assembly and further comprises a spraying device for spraying. The spraying device is a high-frequency oscillation atomization device and composed of a piezoelectric ceramic ring and a metal membrane. The handle assembly comprises a first handle and a second handle, wherein the first handle is connected with the hair curler head, the spraying device is arranged in the second handle, the first handle and the second handle are fixedly combined to fix the spraying device, a spraying hole is formed in the first handle, and the spraying device performs spraying through the spraying hole. With the hair curler, spraying can be performed on hair while the hair is curled, and operation is facilitated.