The invention discloses an intelligent city heating system based on a multifunctional integrated valve and a control method thereof, and aims to provide the intelligent city heating system, having heat supply balance, a good heating effect, high efficiency, energy conservation and the quick later maintenance speed, based on the multifunctional integrated valve and the control method thereof. The intelligent city heating system based on the multifunctional integrated valve comprises a multifunctional home-entry valve (1), an indoor temperature controller (2), a heat supply network (3), a heater (4), a data acquisition and transmission unit (5) and a remote monitoring service center (6). The control method of the system comprises the steps of (1) data reading, (2) adjustment of the indoor temperature controller, (3) setting of a target IP or a target domain name, and (4) information transmission. The intelligent city heating system based on the multifunctional integrated valve and the control method thereof are applied to the technical field of intelligent city heating systems.