Benzodiazepine poisoning is a weak stabilizer including  which are mainly used for anti-anxiety treatment . Most of these drugs are light yellow or white powdery crystals with bitter taste, easily soluble in  and a, but not easily soluble in water. There are many cases of poisoning, but the mortality rate is not high. Drugs are absorbed quickly in the body, but excretion is slow. Long-term use or sudden large amounts of drugs can cause poisoning. The most common cause of poisoning is the synergistic effect of the mixed application of several drugs. The same use with ethanol can also increase the inhibitory effect on the central nervous system. Most are suicides, but are also seen in accidental poisoning by drug abuse or narcotic robbery. Symptoms of poisoning are generally drowsiness, but do not cause deep sleep, and occasionally mental confusion. Large doses can cause coma, drop in blood pressure, inhibition of breathing and circulation, stop breathing and heartbeat, long-term continuous use may cause addiction, and withdrawal symptoms after stopping the drug