The sequoia is a rare and endangered species left over from the Quaternary glacial period 2.5 million years ago, and it is the only species in the world that can extract paclitaxel from its roots, stems, skins, and fruits. Paclitaxel is recognized as the most effective cancer medicine in the world, with a broad-spectrum, low-toxicity, and high efficiency. In addition, the red bean tree can purify the harmful toxic gases in the air, so it is called the "health tree" by the relevant authoritative experts. In the U.S. White House, Buckingham Palace, the United Nations Headquarters, the capital city of Zhongnanhai have its silhouette, has also been Shenzhou IV spacecraft into space. Red bean brand sequoia in the indoor conservation mainly around the "gas, water, temperature, light, fertilizer" five words. First, the gas to maintain plant branches and leaves, root permeability 1, to choose a bonsai air circulation is better placed 2, when the potting soil is slightly slate, should be given to the surface loosening of the soil 3, after watering, tray excess water should be cleaned up in a timely manner in order to ensure that the root permeability when the bottom of the trunk branches and leaves thicker, due to insufficient ventilation to produce yellow leaves, withered leaves, this time it can be appropriate to prune the overcrowded branches and buds. Second, water correctly grasp the water, is the key point of good care of the red bean brand red bean tree when the surface of the potting soil becomes lighter in color, dry, the upper leaves of the plant is dull, shriveled and soft, said that the need to replenish water. The temperature of the water used to water the plant should not be too different from the temperature of the soil; when watering, the action should be slow. If the indoor air is relatively dry, you can give the plant foliage appropriate spray some fog water. Third, the warm red bean brand red bean sequoia in winter and summer can grow normally, but need to pay attention to the winter need to prevent cold, especially at night can no longer get outdoor placement. Do not place the red bean cedar bonsai room doors and windows can not be closed for a long time. Fourth, the light of the red bean brand sequoia shade, not in the sun under the strong light, suitable for indoor placement, but also can not be placed in the position of no light, every day can give the bonsai full sunlight of about 25% of the light. Bonsai according to the age of the tree growth, light should be enhanced one by one. Fertilizer red bean brand red bean tree potting soil using field soil and nutrient soil configuration, soil loose, high organic matter content, water retention, fertilizer, air permeability, full nutrition, PH value of 7 or less. Bonsai in the purchase of more than three months, to properly fertilize the roots, once a year, spring or early autumn is the best, generally with nitrogen, phosphorus and potassium composite fertilizer or organic fertilizer. Compound fertilizer is applied by pouring, dissolved in water and then poured, with a concentration of 0.5%-1%; organic fertilizer is applied by burying. In order to enhance the ornamental plants, you can give the plant appropriate spray some potassium dihydrogen phosphate and other foliar fertilizers.2, you can move the bonsai to the outdoor or balcony maintenance every half a month for two days (the best choice of cloudy or cloudy and rainy days), it is more conducive to its natural growth.3, avoid not to pour the pot of tea and water, throw the garbage.4, the northern winter underfloor heating, you should put the bonsai in the pot on the shelf of the appropriate.5, spring in the development of new shoots, there will be part of the metabolism (leaf replacement, leaf drop) phenomenon.