吸毒贩毒是困扰全球的社会公害。近年来，由于多种原因，曾在我国基本绝迹的这一丑恶现象又死灰复燃，具有愈演愈烈之势。近几年来，广东省公安机关加大了对涉毒罪犯的查处力度，严厉打击了这些罪犯的嚣张气焰。这些涉毒罪犯投入监狱改造后，使监狱的押犯结构发生了重大的变化 Drug trafficking drug trafficking is a global public nuisance. In recent years, due to many reasons, this ugly phenomenon, which was basically extinct in our country, has resumed itself and has become increasingly fierce. In recent years, the public security organs in Guangdong Province have stepped up the investigation and punishment of drug-related criminals and severely cracked down on the arrogance of these criminals. After the drug-related offenders were put into prison reform, the structure of prisoners in prisons changed significantly