Camellia trees and olive trees are the two most famous woody oil plants in the world. Olive oil, with its monounsaturated fatty acid content of 65-85%, has become a healthy oil that has been popular in Europe and the United States in recent years. In fact, Chinese tea oil is rich in unsaturated fatty acids such as oleic acid and linoleic acid. Its content and proportion are very similar to those of olive oil. The proportion of some nutrients is better than that of olive oil.