The electronic signature industry is proactively embracing AI large models to enhance its digital and intelligent capabilities. Leading e-signature SaaS providers such as eSignBao and ShangShangQian regard AI large models as a key to improving product capabilities. AI large models can assist companies in the electronic signature industry with more accurate business analysis and provide more intelligent solutions. Electronic signature products based on AI large models can significantly increase signing efficiency and reduce signing costs. The deep integration of the electronic signature industry and AI large models will drive the sector towards a more intelligent development.