Magnesium valproate is known to control epilepsy; adverse reactions such as nausea and vomiting may occur with the use of this medication. Magnesium valproate has an anticonvulsant effect and is commonly used clinically for the treatment of various types of epilepsy, as well as for the control of bipolar disorder. When using this drug for a long time, adverse reactions such as nausea, vomiting, diarrhea, mental abnormality, muscle tremor, unsteady walking, irritability, skin rash, abnormal bleeding, liver function impairment may occur. When these symptoms occur, it is recommended to go to the hospital in time and do not stop the medication without authorization, so as not to cause recurrence of the disease after stopping the medication. The drug is contraindicated in the presence of leukopenia, severe hepatic impairment, pregnancy, lactation and other conditions. Meanwhile, for different degrees of hepatic and renal function injury, thrombocytopenia, impaired consciousness, pancreatitis, etc., it is recommended to use the drug with caution or discontinue the drug under the guidance of a physician. Magnesium valproate needs to be used under the guidance of clinicians, and unauthorized use is prohibited.