Objective: To observe the result of repairing tympanic membrane perforation with fascia temporal muscle under ear endoscope.

Methods 100 cases of severe cranial brain lesion use step decompression operative method and after rid up of bone flap, dural and temporal muscle facial flap decompression suture of dural incision.

Conclusion Different kinds of temporal fascia and temporal muscle flaps for reconstruction of the skull base may be made according to its blood supply.