The two drugs have similarities, but there are differences in the specific ingredients, effects, precautions and other aspects. 1. Specific ingredients: the tranquilizer contains antler, ginger, licorice, vitamin B1, jujube, Epimedium and the production of He Shouwu, while the main ingredient of the Wuling capsule is Wuling mushroom powder, which is separated from the fungus Wuling ginseng obtained. 2. Efficacy: tranquilizing the brain solution has tranquilized the brain, nourish the blood and benefit the essence, replenish the essence of the efficacy of the marrow, applicable to the lack of kidney essence, qi and blood deficiency caused by forgetfulness and insomnia, fatigue and dizziness of the symptoms of the same neurasthenia can be used for this drug. Wuling Capsule has the effect of tranquilizing the mind and nourishing the heart, strengthening the brain and tonifying the kidneys, and is suitable for the symptoms of fatigue (mental exhaustion, physical weakness), lack of breath and laziness, and insomnia and forgetfulness caused by the lack of the heart and kidneys (heart fire, kidney yin deficiency, and the dysfunction of the physiological functions of the heart and the kidneys). 3. Precautions: Tranquilizer should not be used for people with colds and fever, and should be contraindicated in people who are allergic to the ingredients of this medicine. Wu Ling Capsule is only contraindicated for those who are allergic to the ingredients of this drug. The adverse effects of the drug and the capsule are not clear, the use of drugs need to carefully read the instructions or follow the doctor’s advice.