Digital Watermarking as the offset of information wrap technology was embedded secret information in digital products in order to protect the copyright. LSB takes the watermark image embedded into the most unimportant places of vector images. This algorithm is very simple, strong real-time, embedded stack information and can be accurate resume embedded information. We have completed needs analysis and delineation of functional modules of image watermarking software. It is easy to use and had realized the basic accession.