Put forward methods of enhanced Real-time characteristic of NC machine tool remote monitoring that used date buffer, high speed MCU, zero-copy technique and technique to deal with exigent date in communicate controller. 提出了在通信控制器中设立数据缓冲区、使用高速MCU、零拷贝技术、紧急数据处理技术等提高数控机床远程监控实时性的方法。