This paper reviews the research status of digital image watermarking in the past decade. Considering there are too many publications about the digital image watermarking, we summarize main approaches and point out interesting parts of the researches. Multimedia watermarking technology offers advanced right away throughout the last several years. An electronic watermark is actually facts that are certainly imperceptibly and robustly inserted in the number data in ways that the idea is not taken off. Some sort of watermark commonly consists of information about the foundation, status, or perhaps receiver on the number data. In this review paper, certain requirements and apps intended for watermarking are usually reviewed. Purposes consist of copyright defense, data monitoring, and data pursuing. The fundamental concepts involving watermarking techniques are usually given and highlighted along with offered watermarking options for pictures, movie, audio tracks, text message files, along with advertising. Robustness and safety measures elements are usually mentioned in greater detail. Finally, several remarks are created around the cutting edge and possible potential trends inside watermarking technology.