The objective of research was to improve the Accounting learning achievement of XI IPS 2 using NHT type. This study was a Classroom Action Research. This study was conducted in two cycles, each of which consisting of planning, acting, observing, and reflecting. The subject of research was the XI IPS 2 graders of SMA Negeri 3 Boyolali consisting of 30 students. Techniques of collecting data used were observation, interview and documentation or archive. The data validation used was source triangulation. The result of research showed that the application of NHT type could improve the Accounting leraning. This improvement could be seen from the mean score in Accounting learning from 6.6 in pre-cycle to 75,17 in cycle I and in cycle II is 82,33. The conclusion of research was that the application of NHT type of cooperative method could improve the Accounting learning achievement of the XI IPS 2 graders of SMA Negeri 3 Boyolali.