Horizontal large-size touch interactive all-in-one machine adopts the most advanced touch technology in the world. It has high touch accuracy and responsiveness. It combines excellent large display functions of liquid crystal and plasma displays. It also integrates handwriting and computer network technology. Tools to vividly display multimedia materials such as text, images, animation, high-definition video, audio, electronic files, intrnet information and other multimedia materials to the public, which can give the public the greatest visual impact and unprecedented touch feeling.