The effects of Benzedrine are as follows: 1. It can partially block the choline receptors in the central nervous system, which can inhibit acetylcholine excitatory effects and also inhibit dopamine reuptake, so it can make the cholinergic and dopaminergic nerves get balanced. Parkinson’s disease or Parkinson’s syndrome are caused by insufficient dopamine or over-excitation of acetylcholine action in the brain. So from the description of pharmacological action of benzhexol, it can be used in Parkinson’s disease, Parkinson’s syndrome, the drug can cause extrapyramidal reaction, so the drug can reduce the symptoms of salivation, or drug-induced extrapyramidal reaction; 2, the relaxing effect on smooth muscle, it can be used for spastic squint or facial muscle spasm; 3, the treatment of Wilson’s disease, Wilson’s disease will appear tremor, Parkinson’s syndrome, drooling, etc.. Therefore, benzhexol is used for Wilson’s disease with good effect.