Taking the ZAREMA 51 dam with the highest to asphalt concrete core wall an example, This paper expounds the construction technology and method of asphalt concrete core wall in dam from the aspects of batching,mixing,transportation,spreading and rolling of asphalt concrete,combined with the related test result and technical requirements, puts forward the measures for the control of the quality of asphalt concrete core wall, The key and difficult problems in the construction of asphalt concrete core wall are solved,which can be used as reference for similar projects at home and abroad.