From April 17th to 21st, the first round of disciplinary and law enforcement business tour by the Central Commission for Discipline Inspection and the National Supervisory Commission began in Guizhou Province. Six comrades from the tour group went to Qiandongnan Miao and Dong Autonomous Prefecture, Xiuwen County, and Zunyi City in Guizhou Province to conduct business tours through on-site lectures and video conferences simultaneously. More than 2500 discipline inspection and supervision cadres from the three regions, counties, cities, and towns under the jurisdiction of the city and state received training. Conducting a national tour of disciplinary and law enforcement services is an important measure taken by the Case Review Office of the Central Commission for Discipline Inspection and the National Supervision Commission to implement the spirit of the 20th National Congress of the Communist Party of China and the spirit of the 2nd Plenary Session of the 20th Central Commission for Discipline Inspection, closely connect with the actual work of disciplinary inspection and supervision, strengthen business guidance, and solve difficulties and bottlenecks in grassroots disciplinary and law enforcement practices. It is reported that the national tour will be carried out in batches and in installments in 18 cities, counties, and districts under the jurisdiction of 9 provinces and regions. Adopting a direct approach to grassroots and on-demand teaching, delivering courses to the frontline of disciplinary and law enforcement work, conducting new concepts and requirements of the Central Commission for Discipline Inspection and the National Supervision Commission on disciplinary and law enforcement work "face-to-face", helping grassroots cadres accurately grasp the direction and focus of work, answering questions and doubts for grassroots disciplinary inspection and supervision cadres, and promoting grassroots disciplinary inspection and supervision committees to solve problems in case handling work, Further improve the quality of case investigation and the standardization, rule of law, and regularization of disciplinary and law enforcement work. At the beginning of this year, the Case Review Office of the Central Commission for Discipline Inspection and the National Supervisory Commission selected from 10 provinces and cities in Beijing, Tianjin, Shanghai, Chongqing, Jiangsu, Zhejiang, Shandong, Henan, Jiangxi, and Guangdong, who are politically proficient, proficient in business, and have rich experience in handling cases and teaching, to form a team of 20 tour lecturers. At the same time, based on the training needs and course selection suggestions submitted by 18 tour target units, 24 course topics that are close to grassroots practical needs were studied and determined, divided into three categories: case courses, Q&A courses, and special courses. In terms of style, the course adopts a "special topic+case analysis" approach to explain and interpret, ensuring that grassroots cadres understand, understand, learn, and use it effectively. Before the tour, the case review room also organizes tour teachers to develop courses and conduct trial lectures, and conducts collective discussions on the tour courseware. It is clear that the content taught must be grassroots issues, and the cases cited must be grassroots cases to ensure that the tour course is effective and effective. The first lesson of this tour in Guizhou Province is to promote the spirit of the 20th National Congress of the Communist Party of China and the spirit of the 2nd Plenary Session of the 20th Central Commission for Discipline Inspection, focusing on improving the political ability and theoretical level of grassroots discipline inspection and supervision cadres. At the same time, themed courses such as "Key Issues to be Focused on in Accountability Cases", "Exploration of Difficult Issues in Identifying and Handling New and Extraordinary Duty Crime Cases", "Analysis of Approval Authority and Procedure for Disciplinary Action of Grassroots Disciplinary Party Members and Cadres", and "Analysis of Difficult Issues Related to Disciplinary and Illegal Subjects" will be offered. Eleven classes will be taught around the weak links and practical difficulties in grassroots disciplinary and law enforcement work, and on-site Q&A will be conducted. After the tour, grassroots cadres gave unanimous praise, believing that the lectures had both political height, theoretical depth, and practical warmth. Everyone expressed that the training and explanation are excellent, practical and effective, providing clear, standardized, and actionable work guidance for grassroots cadres, which has strong guiding significance for future related work