What the subject wants to ask is: Is it illegal to charge money for grocery bags in supermarkets? According to relevant information, it is not illegal to query and display. It is illegal not to charge. Based on the national plastic limit order. June 1 day, 2008 is the first day of the implementation of the "Plastic Restriction Order". From that day on, all supermarkets, shops, markets and other retail places shall not provide free plastic shopping bags, nor shall they sell plastic shopping bags that do not meet the national standards.