First-class unit. According to the information of Hunan Provincial People's Government Network. Yan Di Mausoleum Foundation is a non-governmental non-profit organization, aiming at raising funds for repairing and building Yan Di Mausoleum and promoting Yan Di culture. It belongs to the provincial public welfare Public Offering of Fund organization, with the old provincial leaders as the president or chairman, and the competent business unit is the general office of the provincial government. So it is a first-level budget unit.