They are not only the people's police for drug treatment, but also the "special gardeners" in special places. They have two responsibilities, one is to protect safety, and the other is to preach, teach and dispel doubts, and melt the ice to cultivate new life. They all have "unique skills" and help drug addicts establish correct moral and legal concepts through culture, rule of law, mental health and rehabilitation education. They are police teachers in the drug treatment center. "Teacher, so preach, teach and dispel doubts". This is the belief of Yang Pengcheng, a part-time police teacher in the compulsory isolation and rehabilitation center in Yan'an, Shaanxi Province. As a Chinese teacher, he often said that "culture is the foundation of life, and the education level of drug addicts is generally not high, and the reasons for drug abuse are mostly due to the low level of education and lack of awareness of the harm of drugs. My responsibility is to help them improve their cultural level, improve their ability to distinguish right from wrong, and let them understand the truth, the good and the beautiful." On every week's education day, Yang Pengcheng will make use of Yan'an's rich red education cultural resources, Tell the red story, revolutionary figures and the historical story behind them with both voice and emotion. In his daily teaching, he also selected Chinese classics with different degrees of difficulty according to the different educational levels and understanding abilities of drug addicts, listed a large number of historical facts and allusions, and let drug addicts approach the classics of Chinese classics, so as to achieve the educational purpose of re-establishing world outlook, outlook on life, values, and standardizing behavior cultivation. Feng Xiangzuo, a full-time police teacher at the Education and Correction Center of Hanzhong Compulsory Isolation Drug Treatment Center in Shaanxi Province, has always believed that the ideological and political education work has been done well, and can really play a role in casting the soul and educating people. Before becoming a policeman, he was a high school teacher with rich teaching experience. In the process of teaching ideological and political courses for drug addicts, he made great efforts to innovate and added a lot of literary knowledge in the teaching process, so that ideological and political education can really play a role of "turning the spring breeze into rain" to moisten the hearts of the people. Feng Xiangzuo is also good at grasping important festivals and other time nodes to carry out various forms of education, making the ideological and political class "interesting", and putting the ideological and political class into the heart of drug addicts. During the National Cyber Security Week, Wang Bo, the leader of the first team of the Shaanxi New Week Compulsory Isolation Drug Treatment Center and the police teacher, interpreted the national security law and other laws and regulations to the drug treatment personnel in simple and simple terms, and publicized and explained the basic knowledge of national security and the rights and obligations of citizens in maintaining national security to the drug treatment personnel through case statements. Wang Bo is a legal professional, or a public lawyer in the institute. He makes full use of his professional advantages to set up a rule of law lecture. Before each lecture, he carefully designs the teaching plan, prepares the teaching content, and selects typical cases, in order to better present the key points of the rule of law course, improve the effectiveness of the rule of law education, and truly make the drug addicts understand and learn. Han Chao is a police teacher and part-time psychological counselor of the three teams of the compulsory isolation and detoxification center in Meixian County, Shaanxi Province. He is strict in education and caring. He is a set of "practical work methods" that Han Chao has explored through years of front-line work. Under the situation of normalized epidemic prevention and control, the family members of drug addicts can't visit the place. When the traditional festival is approaching, some drug addicts will show anxiety, homesickness and other emotions. As a team of psychological counselors, Han Chao organized and carried out various cultural and recreational activities in a targeted way