Distributed optical fiber sensing techniques (DTS/DAS/DSS) can conduct hydraulic fracturing monitoring and continuous real-time reservoir production dynamic monitoring. It provides a reliable basis for the evaluation of hydraulic fracturing operation, reservoir formation quality dynamic evaluation (oil/gas production profile), fluid control and blockage, production plan adjustment, and enhanced oil/gas recovery (EOR). It provides a potential area direction for finding bypassed and remaining oil as well as improving the oil recovery rate. It is a vital substitute for production logging and tracer logging.