Valium drugs need to be taken according to the anxiolytic, sedative, anticonvulsant three different functions of the symptomatic selection of the appropriate dosage, it is recommended to follow the doctor’s instructions to take. Valium is also known as benzodiazepines, which are mainly known for their anxiolytic, sedative-hypnotic, anticonvulsant and muscle relaxant effects. According to the action time and metabolite activity of the drug effect can be divided into three kinds of drugs, short-acting class includes triazolam, oxazepam, etc., medium-acting class includes alprazolam, eszopiclone, etc.; long-acting class includes diazepam, flurazepam, etc.. Usually administered orally, the specific dosage needs to be given in different doses and times according to different needs such as anti-anxiety, sedation, anticonvulsant, etc. The specific dosage needs to be assessed by a doctor. If long-term use of the drug addiction, the dosage should be gradually reduced, and should not be stopped suddenly to avoid adverse effects. If the dosage of the drug is too high easily enhance the function of the central inhibitory neurotransmitter gamma aminobutyric acid, serious can occur liver failure, central nervous system inhibition effect is strengthened. In addition, Valium-type drugs are prone to cause drowsiness, weakness, decreased responsiveness and other adverse reactions. Such drugs are prohibited for newborns, pregnant women and lactating mothers. Patients are advised to follow the doctor’s instructions and use the medication reasonably.