The red bean tree belongs to the national level protected plants and unauthorized harvesting is strictly prohibited. The correct use of Picea rubra can play a role in eliminating abnormal body fluids, strengthening the heart, food and brain, and so on. Picea rubra has the effect of eliminating abnormal body fluids, strengthening the heart, helping food and brain, refreshing the mind, warming the stomach and benefiting the liver. It is used in the treatment of neurasthenia, palpitation (rapid heartbeat, often accompanied by panic), shortness of breath, coughing and wheezing, loss of appetite, indigestion, facial nerve paralysis, paralysis. The adverse reactions, contraindications and precautions of Rhododendron are not known. If the patient has any discomfort, please go to a regular medical institution; if you need to use Redbud, you must use the drug under the guidance of a professional doctor.