One case of acute Bell's palsy was reported and treated with Fu's subcutaneous needling(PSN). Presentsymptoms: facial muscle stiffness on the right side, ptosis of labial angle, failure to frown the right eyebrow, the eyeball exposed about 2 mm when gently closing the eyes, air leaking when bulging the cheeks.drooling when brushing the teeth and gargling, and food retained in the cheek when eating. Westernmedicine diagnosis: peripheral facial palsy. Traditional Chinese medicine diagnosis: facial paralysis. Thesubcutaneous swaying movement and reperfusion action of FSN were adopted on the afected musclesand achieved the remarkably effects on incomplete ciosure of eyes and drooping of the mouth, The pa-tient was recovered quickly, Before and after treatment, the laser speckle contrast imaging was used toobserve the improvement of blood flow on the face, which provides the idea for the research and clinicalpractice of Fu's subcutaneous needling in treatment of Bell's palsy.