The present invention relates to a urethra and bladder support device for vaginal insertion and, more specifically, to a urethra and bladder support device for vaginal insertion which is inserted into the vagina of a woman and can prevent urinary incontinence by reinforcing elasticity of the vagina, and preventing the bladder from sagging downwards while pressing the urethra. According to the present invention, the urethra and bladder support device, which is inserted into the vagina and supports the urethra and bladder, comprises: an elastic main body plate which is in the shape of a plate formed to be long in the lengthwise direction and has narrow portions with gradually decreasing widths on both end portions; and spherical finishing balls which are installed on the ends of the narrow portions of the main body plate to prevent vaginal walls from being wounded during insertion of the support device into the vagina or removal of the same therefrom. The main body plate comprises: an overlapping unit which is folded multiple times into a curve in the shape of an "S" in a middle portion; a urethra support unit which is extended from an upper portion of the overlapping unit to support the urethra; and a bladder support unit which is extended from a lower portion of the overlapping unit to support the bladder.La présente invention concerne un dispositif de support d'urètre et de vessie pour insertion vaginale et, plus spécifiquement, dispositif de support d'urètre et de vessie pour insertion vaginale qui est inséré dans le vagin d'une femme et peut prévenir l'incontinence urinaire en renforçant l'élasticité du vagin, et en empêchant la vessie de s'affaisser vers le bas tout en pressant l'urètre. Selon la présente invention, le dispositif de support d'urètre et de vessie, qui est inséré dans le vagin et soutient l'urètre et la vessie, comprend : une plaque de corps principal élastique qui est sous la forme d'une plaque formée de façon à être longue dans la direction long