Abstract: In analysis oftympanitio membrane injury,we havecompared conventional otoscope with myringoscope and found that the myringoscope has anadvantage over the conventional Otoscope.Themyringoscope can Show the whole tympaniticmembrans. the positions, Shapes and characteristicsof tympanitic membarme injuries more clearly.Thepictures ofmyringophotography could be preservedand offered to court as an impprtant forensicmedical evidence.

Key words: myrinoscope, myringophotography, tympantic membrane injury