1. Pour enough red wine to completely soak the ostrich whip in it, ensuring that the wine covers the ostrich whip.
2. Close the mouth of the bottle, place it in a cool and dry place, and soak it for 3-6 months to allow the ostrich whip to fully release its active ingredients.
3. Shake the bottle every once in a while (such as every month) to promote the full mixing of ostrich whip and red wine. After soaking, filter out the ostrich whip and Chinese herbal medicine residue, and pour the wine into a clean in the container.