Abstract: Tree seedlings of forestry is the foundation for building work, forestry development, and seedlings is the key. Tree seed base construction, tree seedlings, the level of quality and utilization of improved seedlings of forest trees is a measure of the bases for an important indicator. Based on the old tree varieties bald Nature Reserve Base as an example, the forest trees from the building construction technology base, the park site selection and reforestation, and base management, and other areas were also discussed, put forward in the process of building bases should pay attention to the problem.