Intravaginal leukorrhea pH 4.8 is not serious, the normal intravaginal pH is acidic by lactobacillus bacteria, which can inhibit the growth of other pathogenic microorganisms under the action of acidic environment. When some factors cause changes in vaginal pH, it will cause dysfunction of the vaginal flora, and there is a possibility of vaginal inflammation. Vaginal pH is one of the examination items, if there is a change in vaginal pH, it is not a certainty that vaginitis will occur, and it needs to be combined with other indicators, such as the amount and nature of vaginal secretions, and the patient’s voluntary symptoms. Usually in the case of comprehensive judgment, can be clear whether there is the existence of lesions, when the vaginal pH changes, do not need to worry too much, it is recommended to do gynecological examination and vaginal secretion test, according to the results of the examination under the guidance of the doctor to use medication for symptomatic treatment.