The upper body is always nervous back cold may be wind-cold cold, kidney yang deficiency, etc. caused. 1. wind-cold cold: the upper half of the body is always nervous back cold may be caused by wind-cold cold, the patient is also accompanied by cold (cold) severe, fever is light, no sweat, headache, limb pain, or even pain, nasal congestion, sneezing, sneezing, when the flow of clear mucus, itchy throat, coughing, phlegm, white and thin; tongue coating is thin and white, pulse floating or floating tight. 2. Kidney yang deficiency: the upper body is always tense back cold may be caused by kidney yang deficiency, the patient is also accompanied by lumbar and knee pain (lumbar and knee soreness and weakness) cold pain, or male impotence, premature ejaculation, women’s uterine cold infertility, loss of libido, or stool for a long time to leak more than the stool in the undigested food, pre-dawn diarrhea, abdominal pain, pale or dark, afraid of the cold and other symptoms. If the upper body is always tense back cold symptoms for a long time without relief or accompanied by other discomfort, timely medical treatment, identify the causes, targeted treatment.