The invention discloses an intelligent humanoid head model for testing a child mask and a child mask testing method. The intelligent humanoid head model comprises a head model outer sleeve, a head model inner shell, a control box, a head shaking mechanism arranged in the head model inner shell, a nodding mechanism, a mouth opening and closing mechanism, a nasal cavity hose and an oral cavity hose.The control box controls the humanoid head model to complete head shaking motion, nodding motion and mouth opening and closing motion in the mask tester, and detection of the child mask is completed.The defects that in the prior art, due to imperfect design of all action mechanisms, accumulated errors are large, too much space is occupied, and vibration is prone to occurring in the movement process, a control system is difficult to maintain in the later period, and angle information cannot be fed back in real time are overcome. The movement precision of the movement mechanism is improved, the occupied space is reduced, and the oral-nasal cavity catheter and the angle sensor are reasonably arranged to achieve real-time feedback of angle information in the movement process.