The herb vanilla has a great effect on the nervous system, nourishing nerves and relieving nervous tension, and is very effective in treating neurasthenia, which is more common in clinical practice. In addition, it can also be used to treat other diseases, such as colds, headaches, sore throat, bronchitis, asthma, jaundice, vomiting blood, dysentery, etc. It can also be used as an auxiliary treatment. The efficacy of Xiang Qing Lan is to clear the lung and relieve symptoms, cool the liver and stop bleeding. It needs to be applied rationally in the clinic under the doctor’s identification. In the process of nerve nutrition, the drug can be appropriately combined with western medicine for symptomatic treatment, like methylcobalamin. Clinically, Xiangqinglan for nerve relief, or to improve sleep is the main focus.