The invention relates to a rotary automatic anti-theft window washing machine which comprises two fixing and hanging devices, a spraying device and a rotary sweeping device. The spraying device and the rotary sweeping device are located between the two fixing and hanging devices, and the rotary sweeping device is located behind the spraying device. The rotary automatic anti-theft window washing machine has the functions of fixing and supporting, spraying and washing and rotary brushing and sweeping and can clean a building anti-theft window, cleaning is convenient and rapid, the cleaning efficiency is high, cleanliness is achieved, the cleaning effect is good, and the problems that existing manual cleaning is inconvenient, high in dangerousness, low in efficiency and the like are solved.