The sequoia is the national level of protection of plants, illegal logging need to be held criminally liable, the main active ingredient in the sequoia in its extraction of the natural components of paclitaxel, as long as the correct method of use, the sequoia bark can be taken directly, with anticancer and anti-cancer, anti-lipids, antihypertensive and other therapeutic effects, the correct use of the sequoia bark is preferably to 80 degrees below the boiling water to drink, adults, not more than 10g per day, the amount is not more than 10g per day. The daily amount is not more than 10g, I hope it will help you.