Narcotics and narcotic drugs are very easy to confuse the concept, the difference between the two drugs mainly lies in the problem of addictive size, the specific differences are as follows: 1, narcotics are drugs that can make the whole body or the body local temporary reversible loss of consciousness, or feel no pain after use, with the role of clinical anesthesia, in the normal range of use, will not constitute addictive. But in narcotic drugs, such as ketamine is the raw material of ketamine, so use with relative caution; 2. Narcotic drugs are drugs that have a certain anesthetic effect on the central nervous system, but after continuous use, can produce physiological or mental dependence, after using the drug, will produce a certain sense of euphoria, hallucinations, once addicted, not only produce physiological needs, but more spiritual and Once addicted, not only the physical needs, but also the spiritual and psychological needs, will produce a strong desire to continue using the drug.