The main ingredient of asparagine tablets is asparagine and the cofactor is lactose. Tian Ma Su Tablet can restore the imbalance between cortical excitation and inhibition process, with sedation, sleep and analgesia and other central inhibitory effects. It also has the effect of increasing cerebral blood flow and relieving cerebrovascular spasm, and is mainly applied to the following types of diseases: 1, for neurasthenia, neurosis. 2, for vertigo, which includes Meniere’s disease, traumatic vertigo, sudden deafness, vestibular neuronitis, inadequate blood supply to the basilar artery, etc. 3, for neuralgia, including trigeminal neuralgia, sciatica, occipital neuralgia, etc. 4 , applicable to all types of headache, which includes vascular headache, migraine, tension-type headache, etc. A small number of patients may experience dry mouth and nose, dizziness, stomach discomfort and other symptoms during the use of asparagine tablets, but the general adverse reactions are mild and do not affect the continued use, allergic patients using asparagine need to be used with caution.