The invention relates to the field of technologies for planting flowers, in particular to a method for cultivating potted chrysanthemum. The method includes particular steps of (1), selecting and preparing a land; (2), performing cutting propagation; (3), transplanting and growing seedlings in pots; (4), cultivating trunks of the seedlings; (5), applying additional fertilizers to the seedlings and cultivating the seedlings; (6), shaping the chrysanthemum and reserving flowers of the chrysanthemum. The method for cultivating the potted chrysanthemum has the advantages that the method is simple in operation, low in cost and convenient to popularize, and is simple and convenient, and growers can learn the method easily; the organic fertilizers are additionally applied to the seedlings, and spacing among the seedlings is widened, so that ventilation and light transmittance can be improved, comprehensive control is implemented, chemical prevention is accessorily implemented, flower buds of obtained products are large, flower petals of the obtained products are thick, the obtained products have strong aroma, the cultivated chrysanthemum is provided with a single trunk, a plurality of side branches grow on the trunk, and the chrysanthemum does not need to be supported by a support frame and is high in ornamental value.