As a complex weapon system integrated with optical/mechanical/hydraulic technology, main battle tank (MBT) has powerful fire, high mobility and integrated protection. This paper described the status of MBT in the war and its performance characteristics. On the basis of analysis of existing problems and development tendency of current MBT, the author put forward that in order to meet the operational requirements of the future high-technology war the next generation MBT should be low-profiled, light, digital and stealthy.