1. A handheld Multi-Function Peripheral (MFP), comprising: an operation panel for a user to input a data and a scanning order; a control processing unit electrically connected to the operation panel for proceeding logic operation and data processing, and receiving the scanning order; and a scanning apparatus electrically connected to the control processing unit for scanning a to-be-scanned document, and the control processing unit controls the scanning operation of the scanning apparatus after receiving the scanning order, and the scanning apparatus comprises: a scanning channel for the to-be-scanned document; a light source equipped in a side of the scanning channel to provide the light for scanning; and a photoelectronic imaging device equipped in the side of the scanning channel to capture image of the to-be-scanned document.