A continuous glucose monitoring machine includes a monitoring transmitter and an insertion device. The monitoring transmitter includes an insertion needle, a transmission device, a protective cover and a sensor. The sensor is located on the insertion needle and connected to the transmission device, and the protective cover is configured to protect the insertion needle. The insertion needle includes a fixing portion and a needle portion, the fixing portion is provided on a rear side of the transmission device, and the needle portion is connected to the fixing portion and protrudes through the transmission device to a front side of the transmission device. The insertion device includes a needle withdrawing module, the needle withdrawing module includes a rod body, and the top of the rod body has a structure matching the shape of the fixing portion of the insertion needle to detachably fix the fixing portion .一種連續葡萄糖監測機其包含一監測傳輸器及一插入裝置。監測傳輸器包含一插入針、一傳輸裝置、一保護罩及一感測器。該感測器位於該插入針而且連接於該傳輸裝置，該保護罩設置成能夠保護該插入針。該插入針包含一固定部及一針部，該固定部設於該傳輸裝置的一後側，且該針部連接於該固定部且穿過該傳輸裝置突出於該傳輸裝置的一前側。該插入裝置包含一退針模組，該退針模組包含一桿體，該桿體的頂端具有與該插入針的該固定部形狀相配合的結構，用以可拆卸地將該固定部固定。
