Herbal medicine extracts and uses and methods of preparation thereof

A method for preparing an herbal extract composition from a mixture consisting of Radix Aconiti, Radix Aconiti Kusnezoffii, Rhizoma et Radix Notopterygii and Radix Angelicae Pubescentis, the method comprising:

• i) adding a plant oil to the mixture consisting of about 20-30% (w) Radix Aconiti, about 20-30% (w) Radix Aconiti Kusnezoffii, about 20-30% (w) Rhizoma et Radix Notopterygii and about 20-30% (w) Radix Angelicae Pubescentis to obtain a mixture in oil;
• ii) heating said mixture in oil at a temperature from about 60° C. to about 200° C., for about 5 minutes to about 10 hours;
• iii) collecting a liquid extract from the heated mixture;
• and
• iv) optionally mixing the liquid extract with a polymer.