The invention discloses a method for monitoring the hard disk activity state of an LINUX server, and belongs to the technical field of computers. The method includes the following steps that firstly, a Shell script is arranged on the Linux server where hard disk activity needs to be monitored; secondly, parameters are input; thirdly, monitoring is started; fourthly, whether the Heartbeat.log is the newest or not is examined, wherein the current system time is regularly written into a USB flash drive, a heartbeat.log file in the USB flash drive can be stopped being updated if a system collapses, and the specific time period during which faults occur can be judged by examining the last record of the file; fifthly, test characters strings are regularly written into the hard disk in turns, if the situation is normal, the return value is 0 and no attention needs to be paid, and if abnormity occurs, mistake information is automatically collected and stored in an scanlog.txt file in the USB flash drive. The method has the advantages of being easy to operate, convenient to use and the like. No third-party software needs to be installed, and the method is simple and easy to use.