This research entitled the ability to write official letter of class VII students MTs Al-Muttaqin Pekanbaru. The purpose of this research is to describe the ability to write official letter of class VII of MTs Al-Muttaqin Pekanbaru, and to describe the difference of writing ability of official letter of class VII MTs Al-Muttaqin Pekanbaru in each parallel class between sample groups. The data o…