(This article selects the C/S (client/server) method, takes LabWindows/CVI as the software development approach, and uses the TCP library provided by LabWindows/CVI based on the TCP/IP protocol to study the network communication of the white blood cell balance instrument. Software system design and termination methods. Through the test, the network communication software system terminates the network communication, data transmission and remote control of the white blood cell balance instrument.)