Objective To observe the clinical effect of peripheral facial paralysis treated by the external stylomastoid foramen and acupoint injection of Mecobalamin combined with acupuncture. Methods 144 cases of patients selected were randomly divided into three groups: group A( the acupuncture combined with electric acupuncture) ,group B(the external stylomastoid foramen and acupoint injection of Vitamin B_(12) combined with acupuncture) ,and group C( the external stylomastoid foramen and acupoint injection of Mecobalamin combined with acupuncture). After A two - month treatment course,the subjective examination and scale assessment were carried out. Results The healing time was (42.47 +6.29) days in group A with (37.41 +4.18) days in group B and (26.78 +2.66) days in group C. After A two - month treatment course,the obvious effective rate was 81.84% in group A with 89.76% in group B and 97.86% in group C. Conclusion Three kinds of treatment methods are all effective against the third and the fourth grade of peripheral facial paralysis. Mecobalamin injection combined with acupuncture group can shorten the course evidently.

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