The invention belongs to image processing technology in video image processing system, particularly to a method and a system for adjusting the time stamp according to the direction of a picture. The method adjusts position and direction of the time stamp on the picture according to photographing direction of the camera, thereby achieving object of direction uniformity for the time stamp and the picture; setting modes includes manual setting and automatic setting, which are suitable for different situations; wherein, effective conversion of the time stamp position in the picture can be performed through the system in the automatic setting mode, flexibility of the time stamp position setting is obtained. The method and system of the invention has a wide application scope and can be applied to all the image direction related osd direction and combination, which is convenient to use and has very strong practicability.