A cloud-based monitoring apparatus includes a cloud-based network system, a cloud-based database connected with the cloud-based network system, at least one gateway control unit connected with the cloud-based network system, at least one mobile apparatus connected signally with the cloud-based database, at least one basic detection module connected signally with the gateway control unit, at least one serial bus module connected signally with the gateway control unit, at least one analog I/O module connected signally with the gateway control unit, at least one digital I/O module connected signally with the gateway control unit, and an ISP connected signally with the cloud-based database. The gateway control unit, the basic detection module, the serial bus module, the analog I/O module, and the digital I/O module are all mounted in a monitored environment and have at least one individual monitor parameter.
