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The noise control effect of multi rotor UAV is not ideal because there are many noise location points of multi rotor UAV and it is difficult to perceive the specific noise location. Therefore, the noise control technology of multi rotor UAV Based on mobile swarm intelligence perception is proposed. According to the principle of mobile group intelligence perception, the position of the standard group node is determined, and the noise position of the multi rotor UAV is accurately located. Then, according to the perceptual task allocation expression, the specific value of the scheduling performance index is calculated to complete the execution task scheduling based on mobile swarm intelligence perception. The vibration characteristics of the plate structure of UAV are analyzed, and the numerical expressions of synchronous switch damping, short-circuit switch damping, inductance switch damping and applied voltage source switch damping are solved to realize the research on the noise control principle of multi rotor UAV. Combined with the known numerical results, the layout of noise signals in UAV skin structure, stiffened plate structure and typical wall plate structure is analyzed, and the design of noise control method for multi rotor UAV Based on mobile swarm intelligence perception is completed. Compared with the experimental results, under the action of mobile swarm intelligence sensing algorithm, the fluctuation amplitude of UAV noise signal in all directions is well controlled. Compared with the fuzzy logic control method, it can better maintain the stable movement ability of multi rotor UAV.