Objectives : This study was performed to examine the patterns and to prevent the side effects of CF Herbal Acupuncture treatment Methods : We observed 10 patients who complained the side effects of Herbal acupuncture CF and 2 healthy men for the sake of examine the cause from the August 17 to 24, 2001. Results 1. All of the patients complained severe pain, redish, and edema on the side of injections 2. We were able to witness decrease in pain, redish, and edema, after 2days of injection. After 4days, we were unable to any side effects. 3. According to the clinical studies, we came to determine that the CF herbal abstract which caused the side effects were manufactured between 4 to 13 days, August 4. We assume these side effects were caused by minute quantity of toxin remaining in the screw pressor mixed with the CF herbal abstract.