The problem of PP No.78 year 2015 that causes the action unions which regard that PP is more side to enterpreneur and has been contradictory with labour law. To answer that problem is know the fee changes based on the PP No.78 year 2015 if reviewd based on principle of the labour law and perspective of Maslahah Mursalah theory to see it. This research uses the research method yuridis normative. The result is fee changes based on the PP No.78 year 2015 is section 43 article (5) about component f observation KHL that is done every 5 years which before in PP NO.8 year 1981 is done every 1 year. Maslahah Mursalah Ath-Thufi theory see that it is to welfare between workers, entrepreneur, and government. Concluding is provision fee in PP No.78 year 2015 not contradict with the principle of the labour law and Maslahah Mursalah Ath-Thufi theory see that it as the from of general welfare.