The utility model provides a roller furnace with a sensing device for monitoring the sintering temperature of a silicon wafer in real time, which comprises a drying area, a sintering area and an air cooling area which are provided with a plurality of temperature control areas, the silicon wafer sequentially passes through the drying area, the sintering area and the air cooling area through a transmission device, each temperature control area comprises an upper temperature control area and a lower temperature control area, at least three galvanic couple real-time temperature sensors are correspondingly arranged in each upper temperature control area and each lower temperature control area, and the distance between each galvanic couple real-time temperature sensor and the surface of the silicon wafer is not larger than 10 mm. The beneficial effects of the utility model are that the thermocouple real-time temperature sensor is arranged so as to effectively monitor the temperature near the surface of the silicon wafer in different areas in the sintering furnace, realize the real-time on-line monitoring of the sintering temperature of the silicon wafer, and facilitate the monitoring of the sintering process, the timely finding of problems, and the adjustment of the sintering method according to the experimental result. The galvanic couple real-time temperature sensor is arranged on the near surface of the silicon wafer, so that the purpose of monitoring the surface temperature of the silicon wafer is achieved, the performance of the battery is improved, and the process development efficiency is also improved.