The invention provides a Chinese chestnut tree planting method. The method comprises the steps of seed selection, seedling raising, planting, transplanting and field management. In the field management step, from November to December, coarse bark, old bark and upwarped bark on the trunk and main branches are removed by means of a sharp knife, and then an insecticidal fungicide, an isolating agent and an anti-freezing whitening agent are sprayed in sequence on the surface of the trunk and on the surfaces of the main branches. An anti-freezing method for Chinese chestnut trees is provided. The anti-freezing function is achieved, and diseases and insect pests can also be controlled.