allocated for transmitting data of an uplink shared channel corresponds in the phr to report to the base station fig4 is a flowchart of the method for configured maximum output power reporting of embodiment 3 of the present invention the following description is given to the method for configured maximum output power reporting of the embodiment of the present invention with reference to fig1 a 1b and 4 as shown in fig4 in actual implementation in each subframe the method includes step 401 judging by user equipment whether to trigger a power headroom report phr and executing step 402 if the result of judging is positive otherwise terminating the process wherein as shown in fig1 a and 1b the phr has been triggered step 402 judging further by the user equipment whether a base station allocates for the user equipment an uplink grant for transmitting new data on an uplink shared channel if the phr is triggered and executing step 403 if the result of judging is positive otherwise terminating the process wherein as shown in fig1 a and 1b in the serving cell 1 the base station has allocated an uplink grant for transmitting new data on an uplink.