DCTSOL is an electronic clinical outcome assessment system (eCOA) meticulously developed by Wuxi Clinical Development Services (Shanghai) Co., Ltd. It aims to provide a more convenient and efficient data collection and management solution for the medical industry. The system has multiple functions, including electronic patient-reported outcomes (ePRO), electronic clinician-reported outcomes (eClinRO), electronic observer-reported outcomes (eObsRO), and electronic clinical performance outcomes (ePerfO), which can meet the data collection needs in different scenarios. In addition, DCTSOL also has a message reminder function, which can send reminders to relevant personnel according to the set time and events, ensuring that important information is not missed.