The invention discloses a self-protection energy-saving lamp with a mosquito-repellent function. The self-protection energy-saving lamp comprises a base, energy-saving modulator tubes, a mounting cylinder and a top cover; the mounting cylinder is mounted at and fixed to the top of the base, a bracket tube is mounted at the junction of the mounting cylinder and the base, a motor is mounted on and fixed to the inner side of a circular-ring tube, a fan blade is mounted on an output shaft of the motor, a plurality of spraying heads are mounted on the lower sides of branch tubes, and a lifting tubeis further arranged at the outer ends of the branch tubes; the lower end of the lifting tube is connected with a micro pump arranged at the bottom in the base, the energy-saving modulator tubes are mounted on the outer side of the mounting cylinder, a negative ion generator is mounted on and fixed to the upper portion of the inner side of the mounting cylinder through a supporting frame, the topcover is arranged at the top of the mounting cylinder, a through hole is formed in the middle of the top cover, and a plurality of telescopic rods are mounted on the inner side of the upper end of themounting cylinder, wherein the telescopic rods and the top cover are connected and fixed; and a cover plate used for covering the through hole is formed in the upper side of the top cover. The self-protection energy-saving lamp is reasonable in structural design, good in illumination effect, large in illumination range and good in heat dissipation, and the self-protection energy-saving lamp can purify air, has the mosquito-repellent function, and is popularized advantageously.