中医认为,生姜肉性味辛温,具有发表散寒、温胃止呕等功效,适用于风寒感冒、脾胃虚寒引起的胃痛呕吐、女性经期受寒及寒性痛经者。而生姜皮性味辛凉、微寒、止汗,与生姜肉药性正好相反,因此,生姜在用于上述病症时最好是去掉皮,以免妨碍生姜充分发挥其辛温解表的功能。此外,生姜皮还具有行水消肿的食疗作用,故生姜在用于治疗水肿时,最好不要去皮,特别是当这类患者有便秘、口臭、痈疮、痔疮等内热症状时, Chinese medicine believes that the ginger meat flavor Xin Wen, with the publication of cold, stomach and vomiting and other effects, for cold and cold, spleen and stomach caused by stomach vomiting, cold and cold menstrual period dysmenorrhea. The ginger skin taste Syrian cool, slightly cold, antiperspirant, and the opposite of the ginger medicine, therefore, ginger is best used in the above-mentioned illness is to remove the skin, so as not to prevent the ginger give full play to its Xin Wen table function. In addition, the ginger skin also has the therapeutic effect of water swelling, so ginger is best used in the treatment of edema, it is best not to peel, especially when such patients have constipation, bad breath, scabies, hemorrhoids and other symptoms of heat,