The serious influence and the undesirable tendency of drug crimes make it clear that we must take severe measures to crack them down. However, those cases are usually undercover and hard to be detected. So the common methods of investigation are not effective. Entrapment investigation, because of its initiative and efficiency, can collect and target evidence quickly, which makes it a main measure to crack down drug crimes.%毒品犯罪的严重危害性和其在我国高发的态势，决定了我们必须加强对其打击力度。然而，由于毒品案件的隐蔽性、调查取证困难的特点，导致常规侦查措施失效。而诱惑侦查由于其主动性、侦破案件高效性及可以快速收集、固定证据等特性，使其成为打击毒品犯罪所采用的主要手段。
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