The labia majora and minora of women are not the same mostly refers to the labia asymmetry, generally considered to be associated with congenital developmental abnormalities, infections or excessive local stimulation, it is recommended to consult a doctor to find out the cause of the disease in a timely manner. 1. Congenital developmental abnormality: the size of female labia should be the same and symmetrical, if the difference between the left and right sides is more, we need to consider the congenital developmental abnormality. In this case, no special treatment. If you feel that it affects your sex life, you can also take surgical treatment under the guidance of your doctor. 2. Infection: If the female perineum is infected due to trauma, one side of the labia is congested and edematous, and the labia can also be different in size. 3. Excessive local stimulation: Irregular cleansing methods or frequent local stimulation may also cause the phenomenon. It is recommended that women consult a doctor in time to clarify the cause of the disease, and then carry out targeted treatment. At the same time should pay attention to keep the perineum clean and dry, change underwear.