The invention discloses a remote multifunctional monitoring system for an architectural structure. The remote multifunctional monitoring system comprises a fixed pile, wherein a fixedly connected horizontal rigid base is arranged on one side of the bottom of the fixed pile; a support platform is supported on the base through a servo motor; a telescope is connected onto the support platform through a rotating motor; a heat source sensor, a reticule and a laser ranger are arranged on the telescope, and a camera is arranged corresponding to an eyepiece of the telescope; a dual-axis tilt sensor is arranged on the support platform, a dial indicator contacted with the support platform is arranged at the bottom of the support platform, and the lower part of the dial indicator is arranged on a strong magnet fixed on the horizontal rigid base; a ruler is arranged corresponding to an automatic focusing lens of the telescope, a heat source is arranged at the top of the ruler, the bottom of the ruler is fixed on a reference ball, and a sensor light is further arranged on the ruler; the appliance components are all connected with a signal acquisition controller through data cables, and the signal acquisition controller is connected with a data processing terminal. The invention further discloses a monitoring adjusting method using the system.