QU Printing is a label editing and printing software based on SaaS and local storage. The main technical features include template picture photo identification input, bar code two-dimensional code scanning identification input, form and serial number data source input, label printing output, etc. The main functions include scanning and printing, video message, label reminder and label template creation, multi-element editing, multi-terminal storage and label printing including the number of copies, direction, imitation volume adjustment. Realize the requirements of flexible editing and portable printing of commodity labels, life labels, etc.