This paper investigates the composition and numbers of envoy poems written by Nguyen Huy Oanh - a typical poet and envoy ambassador representing the era of Le Trung Hung (1533-1788). According to the result, the writing analyzes three characteristics of Nguyen Huy Oanh's works in comparison to the developments of envoy poetry in this era, which are: cultural communication and literary relation through corresponding poems
the poetic and magnificent beauty of the nature, people and life, the formation of reporting poetry.