The invention provides a method for extracting beta-carotene from pawpaws through carbon tetrachloride. The beta-carotene is obtained through the steps of pawpaw pulping, centrifuging, ultrasonic extracting, evaporating and purifying. The method is easy to operate, short in time, safe, nontoxic, capable of not being limited by the environment and time and wide in adaptability, and the average purity of the obtained beta-carotene reaches up to 90%.