It is a non-prescription Chinese patent medicine with good safety profile and few serious adverse reactions, mainly composed of deer antler, he shou wu, epimedium, ginger, licorice, jujube and vitamin B1. There are few clinically reported adverse reactions to this drug. The analysis of the efficacy of Vesu combined with An Shen Nourishing Brain Solution in the treatment of neurasthenia studied by Luo Siguang reported that individual patients showed symptoms such as abnormal weight, nausea, rash, dry mouth and fatigue after taking An Shen Nourishing Brain Solution. The appearance of these symptoms does not require discontinuation of treatment, as long as clinical intervention is available. Anxiety and headache are seen in a few cases. The drug is contraindicated in people with known hypersensitivity to this drug during administration. It is contraindicated in patients with fever and colds. Use with caution in patients with hyperactive liver yang. Avoid smoking, alcohol and spicy, oily food during administration. Patients with chronic diseases such as hypertension, heart disease, liver disease, diabetes, kidney disease, etc. should not take the drug on their own. The half-life of this drug is long, so the dose should be reduced for patients with poor liver and kidney function or elderly patients. And during the period of taking the drug, you should maintain an optimistic mood and avoid anger and worry.