CCZU_CMCC or CCZU_CT. According to the inquiry of welcome website of Changzhou University, the wireless account of Changzhou University needs to go to the website of Changzhou University Information Construction and Service Center, find the "wireless gateway" column, and apply for a wireless Internet account according to the prompts. After the application, the account number and password will be sent to the filled mobile phone number. The wireless account of Changzhou University Library can be found in CCZU_CMCC or CCZU_CT.