A light care system including a physiological sensing device, a processor, and a light source device is provided. The physiological sensing device is adapted to acquire physiological data of a user. The processor is coupled to the physiological sensing device, and the processor acquires at least one light parameter corresponding to the physiological data according to the physiological data. The light source device is coupled to the processor, and the light source device outputs a light beam according to the at least one light parameter, wherein a green light beam or a blue light beam in the light beam accounts for more than 40% of the light beam. A light care method is also provided.一種光照護系統，其包括生理感測裝置、處理器以及光源裝置。生理感測裝置適於獲取使用者的生理數據。處理器與生理感測裝置耦接，且處理器依據生理數據獲取對應生理數據的至少一光參數。光源裝置與處理器耦接，且光源裝置依據所述至少一光參數輸出光束，其中光束中的綠光或藍光佔光束的40%以上。另提供一種光照護方法。
