Egg retrieval is not possible with vaginitis, and should be done after the inflammation is cured. Egg retrieval is a step of assisted reproduction technology, egg retrieval needs to be performed through the vagina for puncture, if there is vaginitis at this time, during the process of egg retrieval, all kinds of pathogenic microorganisms will enter the pelvis through the instrument, if the patient happens to be immunocompromised, the pelvic and abdominal infections will occur after the operation, which will lead to abdominal pain, leukorrhoea abnormalities, temperature increase and other manifestations, and it will affect the process of in vitro fertilization. Therefore, before egg retrieval, it is generally necessary to do a secretion examination, if the examination is not up to standard, diagnosed with vaginitis, according to the type of inflammation before the operation, reasonable treatment, until the inflammation is completely eliminated before egg retrieval, so as to avoid complications, and at the same time can improve the success rate of in vitro fertilization.