Chocolate contains caffeine and its content is related to the type of chocolate. Dark chocolate (75% to 85% cocoa solids) has a caffeine content of about 80mg/100g; dark chocolate (45% to 59% cocoa solids, e.g. milk chocolate, nut chocolate, etc.) has a caffeine content of about 43mg/100g. Usually, the darker the color of the chocolate, the higher the caffeine content. White chocolate does not contain caffeine, because white chocolate does not contain cocoa powder, the main component is cocoa butter, fat content is relatively high, so white chocolate is not recommended to eat more, otherwise it is likely to lead to obesity. Daily eat dark chocolate, even if it contains caffeine, each time to eat a small piece, the body will not have much impact, too much consumption is likely to lead to obesity.