《黄帝内经·素问·六元正纪大论》
五之气，主气为阳明燥金，客气亦为阳明燥金，凄惨寒凉之气以行，寒露降下，严霜提早降临，草木萎黄凋落，寒气侵及人体，善于养生的人们居处周密，人们易患皮肤腠理的病症。
五之气，惨令已行，寒露下，霜乃早降，草木黄落，寒气及体，君子周密，民病皮腠。
The main element is Dry Metal of Greater Yang, and the guest element is also the Dry Metal of Greater Yang. Cold and miserable elements move through, cold dew descends, frost comes early, and grass and trees wither and die. Cold elements invade the human body, and those skilled in maintaining life live in seclusion, as people easily get skin diseases.