Giri Maju's avocado is one of the local avocado cultivars which is recommended to registered as a superior variety. This cultivar is derived from Nagari Persiapan Giri Maju, kecamatan Luhak Nan Duo, Kabupaten Pasaman Barat. Top grafting technology is applied on avocado with the objective mainly to obtain progenies that have characteristics which are similar with those of their maternal parents. The aim of activity was to disseminate top grafting technology to community in Giri Maju, hence the superiority of that cultivar could be maintained. The dissemination activities were adopted as KKN-PPM activities that have been conducted on four farmer communities in 2018. Methods of activities include community learning, demonstration of grafting techniques and training. Results of the activities are the farmers gain knowledge and skill to graft avocado. Based on statistical test using Likert analysis, the transfer technology have benefits and are useful (98%), and are needed (95%) by the community. The grafting activities encourage the community to be more intensive in cultivating avocado from Giri Maju.