Abstract: A live-commerce system according to an embodiment of the present disclosure includes a seller terminal equipped with a live-commerce application, a user terminal equipped with the live-commerce application, and a live-commerce server configured to utilize a chat function between the seller terminal and the user terminal to progress a game selected as a method of selling a product by the seller. In this case, the live-commerce server delivers a chat message including game information related to the selected game to the user terminal based on a time of the live-commerce server to control chatting and the game information to be displayed on the user terminal without a time difference through the chat function.