What is the standard of poison detection in police station?

1, poison test is an effective means to test drug addicts, which can dig out the drug abuse degree of drug addicts. 2. After injecting or taking drugs, besides urine, other substances such as sweat, feces, tears, hair, nails, etc. Will contain more or less used drugs or drug metabolites, so they can be used as evidence for drug testing. As long as you don't cut your hair, you can completely present the drug abuse process in the past few months, which is considered to be one of the most effective methods at present. 4. Although dyeing hair will compromise the test results, whether there is drug abuse can still be tested, and any hair can be tested, but hair is the most convenient sample. Article 355 of the Criminal Law Whoever, in violation of state regulations, produces, transports, deals in or uses narcotic drugs and psychotropic drugs controlled by the state according to law and provides narcotic drugs and psychotropic drugs controlled by the state that can make people addicted shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention and shall also be fined; If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years and shall also be fined. Whoever provides narcotic drugs under state control and psychotropic drugs that can make people addicted to drugs to criminals who smuggle and sell drugs or people who take or inject drugs for profit shall be convicted and punished in accordance with the provisions of Article 347 of this Law.