Objective: To systematically observe the clinical efficacy and security of Shen Qi Tang Shen an decoction in the treatment of early diabetic nephropathy.

Objective To study the effect of levamlodipineon treated diabetes mellitus complicated with hypertension and urinary albumin concentration.

Objective To study the role of urine leucine aminopeptidase (LAP) for sifting early renal injury in diabetic and hypertension patients.