Intelligent double-temperature zone tubular furnace has the advantages of balanced temperature field, low surface temperature, fast rising and falling temperature rate, energy saving and so on. It is an ideal product for universities, scientific research institutes, industrial and mining enterprises to do high-temperature atmosphere sintering, atmosphere reduction, CVD experiment, vacuum annealing. The furnace adopts multi-point temperature control method to ensure the uniformity of temperature in the furnace, which effectively improves the experimental effect.