Kidney deficiency is not necessarily serious in winter, but winter may aggravate the symptoms of kidney yang deficiency. Symptoms of kidney yang deficiency include cold pain in the waist and knees, fatigue (mental exhaustion and physical weakness), clear and long urination, shortness of breath and impotence and premature ejaculation, etc. There is already deficiency of kidney yang (lack of yang in the kidneys), and in winter the cold evils are heavy, which is prone to injure the body’s yang and may cause a decline in the function of the body’s yang to warm and warm the body, aggravating the symptoms of kidney yang deficiency. The corresponding symptoms of Kidney-Yin deficiency, Kidney-Qi deficiency and Kidney-Essence deficiency certificates do not change significantly in winter and have little effect. Kidney yin deficiency presents symptoms related to deficiency heat in the body, while kidney qi deficiency and kidney essence deficiency are mainly characterized by symptoms such as easy fatigue, spermatorrhea and premature ejaculation, which are not much affected by the excessively cold temperatures. In daily life, the temperature drops, pay attention to the cold to keep warm. Kidney deficiency patients need to be treated under the guidance of a professional physician in a timely manner, do not blindly take medication, so as not to cause adverse effects.