The invention discloses a fig-dwarfing cultivating method, which relates to the technical field of fig planting. The fig-dwarfing cultivating method comprises the following steps: (A) growth hormone regulation; (B) removal of apical buds: the first apical buds that grow at the apexes of fig seedlings are picked off in order to inhibit apical dominance and promote the emergency of lateral buds, and water and fertilizer management is enhanced to promote branching; (C) pruning of the lateral buds; (D) dwarfing: a dwarfing agent is sprayed once five days before and after vernal equinox of each year and five days before and after autumnal equinox, and spraying is carried out by the dosage of 20kg of dwarfing agent for 500 seedlings each time. The fig-dwarfing cultivating method can be used for cultivating potted fig trees with good ornamental forms.