1. Create a background file with A4 size (2 10mm×297mm), open the handwritten signature picture and drag it into the background file;
2. "Image-Adjustment-Curve", adjust the contrast of the picture, etc. , and use "magic eraser" or "magic wand tool" to buckle the signature;
3.ctrl+t freely transforms, adjusts the size and position, and "File-Print" is completed.