Case 2 Male,age of 54years. History of the present disease:insomnia for one year and more seriously,3-4 hours sleeping a night;accompanied with dizziness,restlessness, palpitation,dryness in mouth,amnesia, weakness of waist and legs,appetite,urine and stool are normal. Examinations:dimmish blackish complexion,red tongue and less coating,weak and rapid pulse. Case 2 Male, age of 54years. History of the present disease: insomnia for one year and more seriously, 3-4 hours sleeping a night;accompanied with dizziness, restlessness, palpitation, dryness in mouth, amnesia, weakness of waist and legs, appetite, urine and stool are normal. Examinations: dimmish blackish complexion, red tongue and less coating, weak and rapid pulse