Design thinking dan behaviour are affected by self-concept which is created together with the dynamic life. Every human has free will to make choices. However, the establishment of mindset and behaviour often occur unconsciously due to circumstances beyond control. This study uses interpretive approach on describing implementation of accounting in the human’s life, especially for the accounting technician. Accounting is implemented not only in the business issues, but also in the nature life of the accounting technician. Even though accounting is well known as the provision of relevant financial information since its early development, it can form a systematic and rational way of thinking, also a rational behaviour that emphasis on empirical evidence. The dynamic change in the industry brings the opportunity to enhance the accounting’s topic that forms mindset and behaviour, while keep maintaining the focus on ensuring the availability of relevant financial information.