Two shoulder joint pain often occurs in the following diseases: First, rheumatoid arthritis, also known as streptococcal infection arthritis, throat, tonsil inflammation due to the perverse reaction caused by the body’s anti-O elevation, the emergence of symmetric shoulders, wandering pain, you can go to the hospital to check the anti-O, sedimentation, C-Reactive Protein, the three are elevated can be diagnosed as rheumatoid arthritis; Second, rheumatoid arthritis, which often occurs in the Secondly, rheumatoid arthritis, which often occurs in middle-aged and old people, can occur in both sexes and women more than men, manifested by shoulder pain on both sides, and at the same time, C-Reactive Protein, blood sedimentation, anti-cyclic citrullinated polypeptide antibody, rheumatoid factor and other elevated, diagnosed as rheumatoid arthritis.