In recent years, the abuse problems of new type drugs have become increasingly fierce in China. There exists many mistaken understanding that the new types are considered as a soft, low addiction and little physical harm drugs. In fact, they have had features including huge toxicity, strong addiction and more difficult addiction rehabilitation. The new type drugs in China are amphetamines and ketamine. They have strongly psychic dependence and weakly physical dependence. Now they are mainly abused i...