A wearable phototherapy device comprises a luminous device and a fixed element.The light emitting device is attached to the inner side of the medium worn by the user and faces the body surface of the user, and the light emitting device is further provided with a detection element to ensure that it really adheres to the body surface of the user during use, so as to safely project the treatment beam to the user, and the light emitting device automatically turns off the safety protection mechanism of the light emitting device when leaving the body surface of the user. And the fixing element is arranged on the outside side of the medium, and is clamped on the medium by magnetic absorption with the luminous device.In addition, the wearable phototherapy device further comprises a fixing belt, which is used to fix one of the fixing elements to an arc grip, so as to fix the light emitting device and the fixing element to the user.一種穿戴式光療裝置包含一發光器與一固定元件。發光器是貼合於使用者所穿戴之媒介物的內側面，並面向使用者之身體表面，且發光器更設置有一偵測元件，以確保使用時確實貼合於使用者之身體表面，才安全地對使用者投射出治療光束，且發光器在離開使用者之身體表面時則自動關閉發光器的安全保護機制，而固定元件是設置於媒介物之外側面，並與發光器以磁吸的方式夾固於媒介物上。此外，穿戴式光療裝置更包含一固定帶，而固定帶是用來固定於固定元件之一弧形握把，藉以將發光器與固定元件固定於使用者身上。
