Dual-screen cash register POS terminal for retail and catering stores. The main machine adopts a stable triangular support base, integrates a built-in thermal printing warehouse, and atmosphere light bars on both sides strengthen brand identification and standby state prompt. The host and guest are displayed independently on two screens, taking into account the clerk's operation and customer reconciliation. The fuselage has neat and tough lines, black background with light green lights, scientific and technological sense to restrain business, taking into account the use requirements of long-term commercial stability, dustproof and easy cleaning, and is suitable for various offline business scenes such as milk tea shops, supermarkets, convenience stores, etc.