Objective:To observe the clinical efficacy of “Dilong Shuyao Capsules” in treating lumbar disc herniation of the cold dampness type  Methods: One hundred and thirty cases with lumbar disc herniation of the cold dampness were randomly divided into the treatment group and control group, with 65 cases in each group. The treatment group was treated with “Dilong Shuyao Capsules” and the control group was treated group was treated with “Fengshi Gutong Cauples”, with the course of one month. The clinical efficacy was observed and the changes of pain visual analogue scale (VAS), lower back pain score (JOA), and straight leg raising angle (SLR) were compared  Results:①The total effective rate was 90.77% in the treatment group and 73.85% in the control group, with a difference between the two groups(P<0.05). ② Comparing before and after treatment in both groups, VAS and JOA scores of both groups were statistically significant (P<0.05); after treatment there was significant differences in the VAS and JOA scores between the two groups (P<0.05). ③Comparing before and after treatment in both groups, there were significant differences in the SLR level (P<0.05); Comparing the two groups after treatment, the difference in SLR level was significant (P<0.05)  Conclusion:“Dilong Shuyao Capsules” is effective to relieve the symptoms of pain and limited mobility and improve the quality of life in patients with lumbar disc herniation of the cold dampness type.