Director Yang's tongue diagnosis - practical sharing, weak kidney essence deficiency, warm hands and feet, nocturia, spleen and kidney yang deficiency Director Yang's tongue diagnosis - practical sharing, weak kidney essence deficiency, warm hands and feet, nocturia, spleen and kidney yang deficiency Director Yang's tongue diagnosis - practical sharing, weak kidney essence deficiency, warm hands and feet, nocturia, spleen and kidney yang deficiency Director Yang's tongue diagnosis - practical sharing, weak kidney essence deficiency, warm hands and feet, nocturia, spleen and kidney yang deficiency Director Yang's tongue diagnosis - practical sharing, weak kidney essence deficiency, warm hands and feet, nocturia, spleen and kidney yang deficiency