1, Half of patients have polymyalgia rheumatica.

2, Objective To investigate the clinical characteristics of Polymyalgia rheumatica(PMR)and the difference between male and female patients.

3, The rheumatic polymyalgia has the neck shoulder pain, the limb girdle myo - ache and the myasthenia.

4, Objective:To determine the significance of antikeratin antibody(AKA) in distinguishing polymyalgia rheumatica(PMR) from early elderly onset rheumatoid arthritis(EORA).

5, Objective To observe the effect of modified Yanghe Decoction (YHD) on the dose of glucocorticoid demanded in treating polymyalgia rheumatica (PMR).