The rapid development of cities has led to highly urbanized artificial environments that limit people's exposure to nature. The resulting accelerated pace of life has placed individuals under prolonged high-pressure conditions, leading to an increased incidence rate of related diseases. Recent research has shown that visual stimuli of plants have a positive impact on human physiological health. The experimental paradigm involves the presentation of visual stimuli, which encompasses a variety of modes including authentic plant landscapes, botanical imagery, videos and virtual reality simulations, amongst other modalities. In the course of the experiment, the physiological markers of human participants exhibited a favourable response to the presentation of plant landscapes, manifesting in a notable reduction in stress levels, an enhancement in immune function and a calming influence. This study critically reviews experimental literature on the physiological benefits of viewing plant landscapes, examining the effects on human brain activity, autonomic activity, secretory activity and immune activity. This review supports further research into the effects of plant landscapes on human physiological health and the development of preventive medicine in the future.
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