This experiment was carried out to study on the safety assessment of Pinus densiflora Siebold et Zuccarini for Hebal-acupuncture. SD rats and ICR mice were used for acute toxicity test, the results were summerized as follows; 1. In rats and mice, $LD_{50}$ value could not be measured. 2. There were no abnormal finding in acute toxicity test treated Pinus densiflora Siebold et Zuccarini for Hebal-acupuncture.