2, the sequoia wine method: first of all, the sequoia raw materials in the leaves, branches, skin, stems, roots, these are crushed, and then add 1% to 5% of the edible alcohol in these water can be, the amount of alcohol added to the water solution for the weight of the materials of 8 to 15 times, the immersion temperature is probably in the 5 to 26 ℃, immersion time is probably in the 10-24 hours, in order to improve the effect of the extraction, it is best to do every 1 hour to the immersion, and then the immersion time is probably in the 10-24 hours, in order to improve the effect of the immersion. In order to improve the effect of leaching, it is best to do it every hour to stir for 5 minutes.