Sewage processing data acquisition system

The invention relates to a sewage monitoring system and particularly relates to a sewage processing data acquisition system. The sewage processing data acquisition system comprises a printer, modems, a monitoring host and a communication server and also comprises a data acquisition terminal, a stackable switch, a router and an environment monitoring station, wherein one path of the data acquisition terminal is connected with the monitoring host which is connected with the printer, and the other path of the data acquisition terminal is connected to a public telephone network by one modem; the stackable switch is connected with the communication server and the router; the communication server is connected with the public telephone network by another modem; and the router is connected with a network by a network line and communicates with the environment monitoring station. The sewage processing data acquisition system provided by the invention has the advantages that the reliability of monitoring center equipme