The acetylation of 3,4-diaminofurazan (DAF) was studied in this paper. By the reaction of DAF with chloroacetyl chloride and bromoacetyl bromide respectively, the substituted acetyl furazano derivatives were obtained. Then 3-amino-4-(azidoacetamido)furazan was obtained as an high nitrogen content furazano energetic derivative by treating these two intermediates with sodium azide.