To observe the clinical efficacy of Tianege Dingxuan Granules on treating vertebrobasilar insufficiency type vertigo. Methods:According to the inclusion criterion, patients with vertebrobasilar insufficiency type vertigo were collected and given oral treatment of Tianege Dingxuan Granules 14d. TCM Symptom Score Scale, European Vertigo Scale and International DHI Vertigo Disorder Scale were chosen to evaluate the clinical efficacy of Tianege Dingxuan Granules. Results:Comparing the score of TCM Symptom Score Scale, European Vertigo Scale and International DHI Vertigo Disorder Scale, it was found that there were significant differences between pretherapy and post-treatment(P<0.01). Conclusion:Tianege Dingxuan Granules could obviously improve the symptoms, reduce seizure frequency, relieve vertigo and improve the life quality of patients.