The embodiment of the invention provides a washing system. The washing system is used for connecting a washing device with a server through the Internet of Things, so as to intelligently control the technical effect of the washing device. The washing system comprises a plurality of washing devices, wherein each of the washing devices comprises a data collection unit and a data transmission unit; the server is connected with each washing device through the data transmission unit in each of the washing device; the server is used for acquiring at least one relevant parameter of each washing device collected by the data transmission unit in each of the washing device through the data transmission unit in each of the washing device; a first control instruction is generated on the basis of the at least one relevant parameter of each washing device and is sent to the corresponding target washing device among the washing devices, so as to control the target washing device.