The utility model discloses a non-contact lifting continuous observation and early warning device. The device comprises a special measuring bracket, a non-contact laser measuring sensor, a programmable logic controller, a touch screen human-computer interface, a GPRS/4G wireless transmission module, an analog quantity signal transmitting module, a power supply module, a switch, an audible and visual alarm, an electric control system and a processing system which are positioned in an electric control cabinet and are connected and integrated with one another. The utility model overcomes the problems of large lifting observation error, low precision and discontinuity in the original grouting process, and has the characteristics of simple structure, capability of continuously observing and pre-warning lifting in the grouting process, capability of counting and pushing lifting measurement data in real time, small error, high measurement precision and the like.