Abstract: Healing garden reveals the positive effect of the natural environment on people, indicated that the plant landscape has an immeasurable effect in maintaining and improving people''s physical and mental health. Based on this, the author combined with the role of plant landscape in healing garden, put forward the functional plant landscape design strategies of healing garden: (1) the sanitarian principle; (2) created a sensory experience area, emphasizing the rehabilitation effect of plant landscape; (3) combined with the implementation of horticultural therapy;(4) adjusted measures to local conditions to choose plant species, and introduced a case of "Juleyuan" garden of its functional plant landscape design, so as to provide a certain theoretical and practical basis for plant landscape design of healing garden.