The present invention relates to an insertion device having recovering mechanism, which comprises: a support formed with an accommodation hole; a sliding rod capable of being elastically moved relative to the support; and a recovering mechanism. The recovering mechanism is installed with a spring accommodated in the accommodation hole, an actuation unit disposed above the spring, and the bottom of the actuation unit is formed with a stop plate, the spring enables the actuation unit to be moved upwardly/downwardly thereby enabling the stop plate to stop the sliding rod at a first position or release the sliding rod at a second position. Accordingly, the recovering mechanism is suitable to be installed in a smaller space.