The present invention is related to a physiological measuring system and a fixing device of physiological measuring device. The physiological measuring system comprises the fixing device and a physiological measuring device. The fixing device includes a wearing portion, a first positioning member and a second positioning member. The physiological measuring device includes a first end and a second end opposite to each other. The fixing device is used for fixing a physiological measuring device on the user. Therefore, the effect of stability for continuously measuring physiological parameters is achieved.本創作相關於一種生理量測系統及生理量測器固定裝置，該生理量測系統包括固定裝置及生理量測器。該固定裝置具有穿戴部、第一定位件及第二定位件；該生理量測器具有彼此相對的第一端及第二端，其中，固定裝置用以固定生理量測器於使用者，藉此達到穩定連續量測生理參數的目的。
