The invention discloses a power adjusting range based head-swinging ceiling fan for a dormitory, and relates to the technical field of utensils of life. The power adjusting range based head-swinging ceiling fan for the dormitory comprises a fan cover, wherein a transmission column is arranged at one side of the fan cover; blades are arranged in an inner cavity of the fan cover; a first motor is fixedly connected into the transmission column a transmission shaft is fixedly connected to one end, far away from the fan cover, of the transmission column; first gears are symmetrically fixedly connected to two ends of the transmission shaft; a rotating column is arranged at one end of the transmission column; a driving mechanism is arranged in an inner cavity of the rotating column; a range expanding mechanism is arranged on the top part of the rotating column; and a fixed plate is arranged on the top part of the range expanding mechanism. According to the power adjusting range based head-swinging ceiling fan for the dormitory, the air outlet range of the fan for the dormitory is extremely expanded, and moreover, the working stability is ensured; and the practicability is improved while the problems that the air outlet range of an existing fan for the dormitory is narrow and air cannot be blown to beds at side are solved.