Technostress is one of the important challenges in the digital age, which is expanding especially in government organizations, which means stress caused by information and communication technologies in work environments. This phenomenon has profound effects on people's mental health and job performance due to the rapid and continuous development of technology and changes in the role of employees. Therefore, according to the importance of the subject, the present research was conducted with the aim of phenomenological analysis of the phenomenon of technostress in the country's tax affairs organization. The current research is descriptive-exploratory in terms of its practical purpose and in terms of the method of data collection, and it is of the qualitative research type, which was conducted using the phenomenology method (that is, the lived experience of people involved in the phenomenon) and Dickelman's approach. Since the current research is qualitative, the data collection method is in-depth interviews with the participants. Based on this, using the purposeful sampling method and based on the principle of theoretical adequacy, 18 managers and employees of the country's tax affairs organization were selected as sample members. In this research, qualitative content analysis method and Maxqda software were used to analyze the data obtained from the interview. In addition to the recognition and understanding of the mentioned phenomenon, the research findings have identified 15 causes and 15 consequences as causes and consequences of technostress.