Cold lower limbs may be caused by deficiency of kidney yang (lack of yang energy in the kidneys) or deficiency of spleen yang. The solutions include traditional Chinese medicine and moxibustion, etc. Whether it is the fastest depends on the individual’s condition, and it is recommended to be guided by a doctor for treatment. 1. Chinese medicine treatment: Cold lower limbs may be caused by kidney yang deficiency or spleen yang deficiency. If kidney yang is insufficient, symptoms such as cold waist and knees, dizziness, female with a large amount of thin, male impotence and premature ejaculation, etc., you can choose the Jin Gui Kidney qi pills and other treatments. If the deficiency of spleen yang, symptoms such as abdominal cold pain, diarrhea, cold limbs, etc., you can choose the treatment of Lizhong Pills and so on. It is recommended to use the medication under the guidance of a doctor. 2. Moxibustion: If kidney yang is insufficient, moxibustion can be done on kidney yu, guanyuan, etc. If spleen yang is insufficient, moxibustion can be done on foot sanli, tianshu, spleen yu, etc. It is recommended to have a doctor choose the acupoints and operate them. If the lower limbs cold, in the exclusion of low temperature, insufficient warmth of the physiological situation, it is recommended to ask the doctor, a clear diagnosis, follow the doctor’s instructions standardized treatment.