The invention discloses a data center dynamic environment monitoring system and a data center dynamic environment monitoring method on the basis of an IOT (Internet Of Things) technology. The system comprises a plurality of acquisition objects, a wireless sensor, a wireless base station, a wired data acquisition object, a wired communication network and a background; and the background is used for implementing the asset management, the monitoring management, the connection management, the planning management and the visiting and inspection management of a data center in a three-dimensional effect mode, implementing the visibility, intuition and application easiness of the infrastructure management of a data center, simultaneously processing acquired data related to a dynamic environment of the data center, implementing the centralization showing of management information and alarm information, implementing the alarm linkage, improving the timeliness and the effectiveness of information inquiry, processing and interaction, improving the operation and maintenance efficiency of the data center and finally implementing the operation and maintenance targets of macroscopically completely mastering and microcosmically accurately positioning of the data center by a three-dimensional virtual reality technology.