A system for analyzing data on Internet of things including a CPU, the input end of the CPU is electrically connected with a data analysis module, The input end of the data analysis module is electrically connected with a data collection module, the input end of the central processor is electrically connected with a power module, the output end of the central processor is bidirectionally electrically connected with a display module, and the output end of the central processor is bidirectionally electrically connected with an encryption module. The central processor, data analysis module, datacollection module, Power module, Display module, encryption module, A storage module, an alarm module, a first USB interface, a first USB interface, a notebook computer, a standby storage module and asecond USB interface are arranged, so that the standby storage module backs up data, thereby achieving the effect of preventing data loss, and solving the problem that the existing Internet of Things data analysis system cannot prevent data loss.