It is also necessary to urgently apply warming methods. This is a syndrome of Kidney deficiency with cold in the middle jiao during summer; apart from this, it would be heatstroke (Zhongshu) or a febrile disease. Therefore, in spring and summer, there are only "warm summer" conditions (summerheat complicated by slight cold), and occasionally slight cold pathogens. If people contract them, they are termed common cold (Ganmao), and should not be indiscriminately classified as typical Shanghan (Zheng Shanghan).