Pursuant to decision No 194/CT on August 9, 1986, the Chairman of the Council of Ministers has decided to establish two independent special use forests in the southwest province of Nghe An: Anh Son Nature Reserve in Anh Son district with an area of 1,500 ha and Nature Reserve in Thanh Thuy, Thanh Chuong districts with an area of 7000 ha. Two protected areas later combined to establish the area as a Pu Mat Nature Reserve in Anh Son, Con Cuong and Tuong Duong Districts (MARD, 1997).
In 1993, the Forest Investigation and Planning Institution (FIPI) has developed an investment project for Pu Mat Nature Reserve. The investment plan has been assessed by the Ministry of Forestry of 343/LN-KH on February 20, 1995 and was approved by Nghe An People's Committee at Decision No. 3355/QD-UB on 28/12 / 1995.
On November 21, 1996, Decision No. 876/QD-TTg of the Prime Minister approving the project of social forestry and nature conservation areas Pu Mat, Nghe An province, funded by the EU.
On May 21, 1997, Nghe An People's Committee issued Decision No. 2150/QD-UB on establishment of Pu Mat Nature Reserve under the management of Nghe An provincial FPD.
A new Investment plan for the Pu Mat Nature Reserve was developed by FIPI in 2000, proposed to change categories of special use forest management from the nature reserve to national park. The investment plan was approved by the People's Committee of Nghe An province on June 20, 2000 by the Decision No. 2113/QD-UB and then approved by MARD on June 26, 2000 via Decision No. 2495/QD/BNN-KH . On August 11, 2001, the Prime Minister has issued the Decision No. 174/2001/QD-TTg on the transfer the Pu Mat Nature Reserve in Nghe An province into National Park. According to this Decision, the total area of national park is 91,113 ha, where the distribution is strictly protected 89,517 hectares and subdivision ecological restoration is 1569 ha. Pu Mat National Park currently under management of the People's Committee of Nghe An on the finance, while management plans are delivered to the provincial Forest Protection Department.
Pu Mat is in the record of special use forests of Vietnam in 2010 that was built by the Forestry Department - Ministry of Agriculture and Rural Development with an area of 91,113 ha (FPD, 2003), the record hasn’t yet approved by the Government.