Objective To observe the therapeutic effect of electro-acupuncture（EA）at the cleft points and alarm points on renal colic and accompanied symptoms.Methods Fifty one patients with renal colic were randomized into EA group of 26cases and intramuscular injection（IM）group of 25cases.EA group was given electro-acupuncture at the cleft points of kidney channel[Shuiquan（KIS）

Jinmen（BL63）]and bladder channel and related alarm points[Jingmen（GB25）

Zhongji（RN3）] for 30minutes.IM group was given intramuscular injection of 100mg of bucinperazine.A short form of the McGill Pain Questionnaire（SF-MPQ）and visual analog scale（VAS）were used to score the pain.Associated symptoms scale（ASS）was developed to score the associated symptoms.The change of clinical symptoms were observed in both groups and the syndrome effect was evaluated.Results The total effective rate of the EA group and IM group was 76.92% and 44.00% respectively

with significant difference between groups（P<0.01）.The total effective rate in relieving pain of the EA group and IM group was 69.23%and 44.00%respectively

with significant difference between groups（P<0.05）.Pain relief time required in the EA group was significantly shorter than that in the IM group（P<0.05）.There was no significant difference between groups in complete remission time required（P>0.05）.Comparing with before treatment

there were significant differences in relief of associated symptoms after 10min

30min

60min and 120min of treatment（P<0.05or P<0.01）.Comparing with 10min of treatment

there were significant differences in relief of associated symptoms after 60min and 120min of treatment（P<0.05）.Conclusion EA at the cleft points and alarm points for renal colic is effective

easy to operate

less toxicity

low cost and worthy of clinical application with a low recurrence rate within 24hours.