Arthralgia is a common syndrome of joint and rheumatoid disease.Inquiry has significant value in diagnosis of joint disease.By thoroughly elaborative inquiry,we can obtain main information and made the primary diagnosis for most patients with arthralgia.Nevertheless it is much more difficult for the beginners to do inquiry considering the complex display and the numerous arthrosis.Inquiry of the following five main points may help the beginners to acquire the techniques quickly:(1)Time,degree of urgency and remote cause;(2)The numbers and location of arthritis affected;(3)Region appearance and joint function;(4)Simultaneous phenomenon;(5)Informations of diagnose and treat before.