Useful. According to Min Fukang's enquiry. Com, wormwood navel patch is used to treat insomnia, anxiety, depression, bipolar disorder, schizophrenia and other mental diseases, so it is useful for bipolar disorder. Making a wormwood plaster and sticking it on the navel is a very healthy way of keeping in good health. Umbilical warming plaster for treating diarrhea in children and uterine warming plaster for treating dysmenorrhea in women mostly contain Folium Artemisiae Argyi.