Objective To observe the therapeutic effect of Neck Hechelu（meridian running course） Acupuncture on insufficient blood supply of vertebro-basilar artery.-Methods The 128 cases of insufficient blood supply of vertebro-basilar artery were randomized into treatment group（84 cases） and control group（44 cases）.The treatment group was treated by Neck Hechelu Acupuncture and the control group by traditional acupuncture therapy.The symptoms and changes of average speed of blood flow of basilar artery and bilateral vertebral arteries were examined by Doppler Ultrasonic Testing before and after treatment.-Results After two courses of treatment

the effect of treatment group was superior to that of the control group not only in relieving the symptoms such as headache and dizziness but also in increasing the average speed of blood flow of vertebro-basilar artery.-Conclusion The effect of Neck Hechelu Acupuncture was good for insufficient blood supply of vertebro-basilar artery.