Objective: To observe the sensitivity to cold exposure of the elderly hypertensive patients with different TCM syndrome types, and research the change of the sensitivity to cold exposure after nourishing the kidney; At the same time to explore the clinical curative effect of Yishenjiangyafang to kidney-qi deficiency type of hypertensive patients.Methods: Collecting aged between 60 to 75 years, suffering from hypertension grade Ⅰ and Ⅱ, and conform to the kidney-qi deficiency type or the liver-fire type diag...