King Quang Trung issued an “Chiếu khuyến nông” (Royal Edict for Agricultural Extension) to restore agricultural production and restore and develop the economy. Thanks to those resolute measures, by the fall of 1791, by the fall of 1791 the harvest was bountiful and half of the country was at peace.

Quang Trung ordered the abolition of many previous heavy taxes, encouraged industrial and commercial activities, expanded trade relations with foreign countries, some northern border gates were reopened, border markets such as: Ky Lua, Hoa Son (Lang Son), Muc Ma (Cao Bang) were restored. A real evidence proving the economic development of this period is the discovery of pre-ancientists: The Quang Trung Dynasty only existed for more than 3 years (1788-1792), but Quang Trung has had at least 17 mintings of coins with 21 different types. (Glass display case for collection of Tay Son Copper coins discovered at Cat Minh-Phu Cat in 1998).