Macao "Cultural Heritage Protection Law" went into effect on March 1, 2014. This is a milestone for the culture cause in Macao and it is benefit for the development of it healthy and sustainability. As an important part of the cultural heritage protection, the archaeological work is regulated by some special provisions in "Cultural Heritage Protection Law". Decree No. 34/76/M, 56/84/M and 83/92/M were the decrees of cultural heritage protection before 2014, and there are some provisions about how to regulate the archaeological work in Macao. In order to realize the prospect of archeology under the guide of “Cultural Heritage Protection Law”, this article will attempt to compare these decrees with "Cultural Heritage Protection Law", and explain the differences of how to formulate the archaeological relic protection list, the regulation of archaeological work, the notification mechanism for archaeological discoveries.