Treat-to-Target (T2T), achieving a DAS28 score lower than 2.6 (remission, Rem) or below 3.2 (low disease activity, LDA), is the main management strategy recommended by ACR and EULAR. The Smart System of Disease Management (SSDM) is an interactive mobile disease management tool, including the doctors' and patients' application system. The patients can perform self-evaluation, including DAS28, morning stiffness duration (MSD) and HAQ, and input medical records (including medication and laboratory test results) through the mobile application. The data synchronizes to the mobiles of authorized rheumatologists through cloud data base and advices could be delivered.
