A head structure of a biomimetic robot, and a biomimetic robot. The head structure comprises a support frame (100) and an eyebrow simulation mechanism (200). The eyebrow simulation mechanism comprises: an eyebrow (210), an eyebrow driving assembly (220) provided on the support frame; and an eyebrow connecting arm assembly (230), a first end of the eyebrow connecting arm assembly being pivotally connected to the support frame, the eyebrow being provided at a second end of the eyebrow connecting arm assembly, and a driving end of the eyebrow driving assembly being connected to the eyebrow connecting arm assembly or the eyebrow to drive the eyebrow to move to achieve eyebrow raising action or frown action of the eyebrow simulation mechanism. The biomimetic robot resolves the problem in the prior art of a poor simulation effect due to that the biomimetic robot is only capable of simulating a single facial expression of a person as the head structure of the biomimetic robot cannot achieve eyebrow raising action and frown action.
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