Bunao Pill is a Chinese patent medicine and a concentrated pill coated with sugar. After the sugar coating is removed, it is brownish brown and tastes a bit bitter. Its side effects are not particularly clear up to now, and its contraindications are not particularly clear. Because it is a Chinese patent medicine, the adverse reactions are different according to individual constitution. Bunao Pill has the functions of nourishing blood essence, strengthening brain and intelligence, calming the nerves, and resolving phlegm and calming the wind. It is mainly used for amnesia, memory loss, dizziness, tinnitus, upset insomnia, palpitations, headache, restlessness, chest distress and other symptoms. However, if brain tonic pills are used together with other drugs, drug interactions may occur. If they need to be used together, you must consult a doctor in detail or a pharmacist before taking them.