If there is still white discharge 42 days after delivery, it is basically a normal phenomenon, as long as the white discharge does not have a bad smell and does not have a yellow color, it is a normal phenomenon, keep the vulva locally clean, change sanitary napkins diligently every day, and use iodine vapour to scrub the vulva 1-2 times, then it will be fine. If there is still bloody discharge 42 days after delivery, it may be caused by residual tissue in the uterus or poor uterine regeneration or infection. It is recommended to go to the hospital for a gynecological examination to find out whether there is any abnormality in the vulva, vagina and cervix, and at the same time, to do a gynecological examination to find out whether there is any pressure and pain in the adnexa of the uterus. In addition, ultrasound examination is also needed, mainly to understand the situation in the uterine cavity, the condition of the endometrium, and whether there is any residual tissue in the uterus, according to the results of the uterus may need to be cleared, or if there is inflammation, anti-inflammatory treatment should be given.