The invention provides a method for processing aminopyrine in transformer oil in comparison with the prior art. The method comprises the following step: processing the transformer oil containing the aminopyrine by using a physical adsorbent, thus obtaining processed transformer oil, wherein the physical adsorbent is one or several of a silicic acid adsorbent, kieselguhr, silicon dioxide and an aluminate adsorbent. Compared with the prior art, according to the method disclosed by the invention, the aminopyrine in the transformer oil can be removed by utilizing the physical adsorbent, and the method is simple and is easy to operate.