A method allowing the visualisation of the small gut by double contrast is described. The small bowel containing a previously ingested opaque material is inflated with air and its motility is depressed by pharmacological means (Probanthine or Paragon). Out of twenty unselected cases, excellent visualisation of the small intestine was seen in fifteen instances. In three cases, only a part of the small intestine was satisfactorily seen. There were two failures.