To explore the clinical effects of Tongdu Xingnao scalp acupuncture in the treatment of children with cerebral palsy complicated with mental retardation and its influence on intellectual development level.Methods:A total of 200 cases of children with cerebral palsy complicated with mental retardation admitted to Chongqing Three Gorges Central Hospital from March 2013 to March 2018 were selected，and they were divided into a control group and an observation group according to random number table method，with 100 cases in each group.The control group was given physical therapy，cognitive function training，occupational therapy and so on，and the observation group was given Tongdu Xingnao scalp acupuncture treatment on this basis.The 2 groups were treated continuously for 3 months.The clinical curative effect in the 2 groups was counted after treatment; the hemodynamic index and intelligence development level in the 2 groups were compared before and after treatment.Results:The total effective rate of the observation group was significantly higher than that of the control group(8600% vs 7200%，P<005).Compared with before treatment，the Vm，Vs in the 2 groups were significantly increased after treatment，and the observation group was significantly higher than the control group(P<001).The RI，PI in the 2 groups were significantly decreased after treatment，and the observation group was significantly lower than the control group(P<001).Compared with before treatment，the adaptability，individual-social，fine motor，gross motor and language scores in the 2 groups were significantly increased after treatment，and the above scores in the observation group was significantly higher than those in the control group(P<001).Conclusion:Tongdu Xingnao scalp acupuncture can significantly improve the hemodynamics of children with cerebral palsy combined with mental retardation，enhance their intellectual level，and the effect is significant，which is worthy of clinical application.