The embodiment of the invention provides an
Internet of Things data filling method, device and
system. In the embodiment of the invention, the method comprises the following steps of: during
data acquisition process, according to
missing data items in a collected data sequence and a clustering result of the non-
missing data item nearby the
missing data items, selecting the proper candidate data item to fill the missing data item so that real-time filling of the missing data can be achieved, dependence on a
data center can be reduced, and therefore the
data filling efficiency can be improved.