The present invention relates to a forward osmosis-membrane distillation hybrid desalination method, including a forward osmosis step for generating concentrate water in which the concentration of seawater is increased and a mixed solution in which fresh water is mixed with a draw solution by making at least a part of the fresh water contained in the seawater move to the draw solution due to difference between the concentrations of the seawater and the draw solution; a draw solution separation step for recovering the fresh water by separating the draw solution from the mixed solution; a concentrate water heating step for applying heat to the concentrate water; and a membrane distillation step for recovering the fresh water in the concentrate water by performing membrane distillation regarding the concentrate water. According to the present invention, the forward osmosis step and the membrane distillation step are effectively combined with each other, unlike in the related art, so that additional fresh water is produced from the concentrate water obtained from the forward osmosis step and the rate of recovery of the fresh water can be increased significantly.;COPYRIGHT KIPO 2014
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