Application of wood essential oil in preparation of drugs or health products for treating brain cancer

The invention discloses an application of woodwood essential oil, namely an application of traditional Chinese medicine woodwood essential oil in preparation of drugs or health products for treating brain cancer. The application of the traditional Chinese medicine costus root essential oil in preparation of drugs or health products for treating brain cancer is attributed to the effect of the costus root essential oil for remarkably inhibiting human brain tumor cancer cells and neuromother tumor cancer cells, IC50 is 9.4 +/-0.51 mg/mL and 28.46 +/-2.57 mg/mL respectively, and the application is completely different from the application of the existing drugs or health products of the costus root essential oil. Compared with the current medicines and health products for treating brain cancer, the radix aucklandiae traditional Chinese medicine essential oil has the effects of inhibiting human brain tumor cells and neuromother tumor cells, has good fat solubility, and can easily pass through a blood brain barrier,