阴挺·肾气不固证(uterine or vaginal prolapse with syndrome of unconsolidated kidney qi)是指肾气亏虚,固摄失职,以子宫脱垂,或阴道前后壁膨出,少腹下坠,腰脊酸楚,头晕目眩,耳鸣,神疲乏力,小便频数,舌淡,苔薄,脉沉细为常见症的阴挺证候。