Covered feet cold, under normal circumstances may be due to the surrounding environment temperature is too low caused by pathological conditions are mostly seen in the kidney yang deficiency, qi and blood deficiency and other reasons. Physiologically, the ambient temperature is too low, which can cause the phenomenon of cold feet under the blanket, and it is recommended that the ambient temperature be increased by turning on the air conditioner. Cold hands and feet, cold limbs (fear of cold, cold limbs), soreness of the waist and knees (a feeling of soreness and weakness in the waist and knees) can also occur when there is a deficiency of kidney yang. Cold feet caused by kidney yang deficiency need to be treated by warming and tonifying kidney yang (warming and replenishing kidney yang), and commonly used proprietary Chinese medicines include Right Angelica Pill and Gui Shi Di Huang Pill. Insufficient qi and blood can also lead to cold feet. Insufficient qi and blood can also be accompanied by dizziness and weakness, panic and shortness of breath, insomnia and excessive dreaming, and a pale complexion. More through the warm tonic qi and blood medication, commonly used eight precious pills, ten whole big tonic pills and other adjustments. The causes of cold feet are different, and need to be based on the symptoms of their own conditions, tongue, pulse and other different. Under the guidance of the doctor to make a comprehensive judgment, identify the evidence and then choose the appropriate drugs to adjust the symptoms.