According to experts' analysis, liquor tops because of its high fusel oil content, but it also varies from person to person, and people feel different after drinking it. The reason why Hengshui Laobaigan can shout out the slogan of "drinking Laobaigan without going to the head" is mainly because its fusel oil content is low and it has the characteristics of "getting drunk slowly, waking up quickly and not going to the head".