How to say, digital personnel is also responsible for the work of personnel files. In the trend of big data management, the central government proposed to "improve the assessment and evaluation mechanism of cadres", and introduced a series of system regulations for cadre management, daily assessment, etc.; the State Civil Service Bureau issued a series of circulars for the usual assessment of civil servants and proposed that the daily assessment of civil servants should focus on the actual performance, and should be carried out objectively and impartially, and the content should be simple and feasible. The State Civil Service Bureau has issued a series of circulars on the regular appraisal of civil servants, and proposed that the daily appraisal of civil servants should emphasize actual performance, implement an objective and fair attitude, keep the contents simple and easy to implement, and have not only qualitative appraisal but also quantitative appraisal, and adhere to the principle of quantitative appraisal. The State Administration of Taxation (SAT) has implemented a brand-new cadre management mode, "Digital Personnel", for the traditional civil servants' personnel management work in accordance with the development and reform of the times by combining the actual situation of the taxation system on the basis of grasping the spirit of the central government. The purpose of this paper is to analyze and put forward feasible suggestions on the adaptability problems found in the pilot implementation of "digital personnel" in the tax system by refining the management concepts, advanced practices and innovations of "digital personnel" in the tax system, so as to make "digital personnel" in the tax system more effective and efficient. At the same time, it analyzes the adaptation problems found in the pilot implementation of "digital personnel" in the tax system and puts forward feasible suggestions, so that "digital personnel" in the tax system can better play its role and serve the personnel management of the tax system, and finally make the personnel management mode of China's civil service system more scientific and convenient by extension. Tax system "digital personnel" management, in essence, is a human resource management, through the establishment of cadres and personnel of the personal file account for the record.