The article indicates that in the era of large AI models, AI visual technology based on OCR technology is emerging as a new engine for the scanning industry. During the pandemic, scanning products experienced a surge in growth. With the advancement of deep learning, the accuracy and efficiency of visual technology have significantly improved, for instance, the recognition accuracy of Google's Tesseract OCR engine is nearly 100%. The article focuses on the Quark Scan King product, which is the first in the scanning industry to apply large model technology, achieving a handwriting and formula recognition accuracy rate of 99%, leading the industry. The product also takes into account the usage demands of young users, supporting universal scanning and automatic format recognition functions to enhance user experience.