Yes When taking the high-speed train, passengers can carry peanut oil, but they must abide by certain regulations. According to the regulations of carrying luggage on high-speed rail, the luggage that adult passengers can carry free of charge at ordinary times is 20kg, that of children passengers is10kg, and that of diplomats is 35kg. The packaging of peanut oil needs to be intact to prevent leakage and affect the environment in the carriage or other passengers. In addition, the edible oil must be produced by a regular manufacturer, and the manufacturer, ingredients and other related information should be marked on the outer packaging. If it exceeds the specified weight or volume, or the packaging does not meet the requirements, it may be necessary to go through the consignment formalities and pay extra fees.