The invention provides a natural gas storage temperature, pressure and vibration monitoring system, and relates to a natural gas storage monitoring system. The system comprises a distributed optical fiber temperature measuring system, a quasi-distributed optical fiber pressure measuring system and a distributed optical fiber vibration testing system, wherein the distributed optical fiber temperature measuring system adopts a distributed optical fiber temperature measuring system based on an optical frequency domain reflection system (OFDR-DTS), and the distributed optical fiber temperature measuring system is composed of a high-precision temperature measuring optical transceiver, a monitoring optical cable and a connecting tail fiber E2000 / APC; and the quasi-distributed optical fiber pressure measuring system is composed of an optical fiber temperature and pressure demodulator, an optical fiber pressure sensor and a monitoring optical cable. The multi-parameter real-time dynamic monitoring for a temperature profile, pressure and vibration of a natural gas well (gas storage) is realized, the monitoring system can be applied to different well types such as a gas injection well, an observation well, a vertical production well and a horizontal production well, and an evaluation basis can be provided for downhole fluid properties, a gas-liquid interface, an injection-production profile and wellbore integrity.