Yes if you're constipated plums are one of the many fruits that you can use to relieve constipation and get your bowels moving.
The plums and skin of plums contain fiber and when eaten enough it can get your bowels moving and sometimes can also give you diarrhea.
Other fruits besides plums that are good for relieving constipation are pears, apples, figs, prunes, bananas and prunes.
Any other fruits that are high in fiber content can help get your bowels moving and relieve constipation.