The invention provides a method for planting and cultivating seedlings, comprising the following steps: transplanting seedlings in spring and autumn in daytime without rain or wind and with weak lightintensity, preferably in early spring or autumn, specifically, excavating soil blocks around seedling roots together with the seedlings when the seedlings are excavated for transplanting, guaranteeing that the diameter of the soil balls is seven times the diameter at breast height of the transplanted seedlings, when a certain depth is reached during digging, gradually shrinking the excavation diameter to enable the soil balls to be in a semi-spherical shape. Care is taken during the excavation to avoid rupture of the soil balls. All thick and thin roots are cut off with sharp tools. All wounds are coated with a healing coating agent. The method for planting and cultivating seedlings is simple to operate, the survival rate is high after the transplanting, the arrangement of net pockets caneffectively avoid rupture of the soil balls at the roots of the seedlings during the transportation process, the roots of the seedlings are coated with the healing coating agent to prevent water lossand pathogen infection, and the arrangement of sunshades can effectively prevent dehydration and death of the seedlings during transportation.