The clinical significance of sucrose malabsorption in 7 children (5 danish, 2 greenlandic)is discussed. the principal symptom was chronic, watery diarrhea, but meteorismand crying spells were frequent symptoms. the attacks of diarrhea started at thetime sucrose was introduced into the diet. treatment with a diet poor in sucroseled to immediate relief of all symptoms. charts of the growth pattern were drawnup in 5 cases, and they showed a relative increase in weight and length as a result of dietetic treatment, although the values for both length and weight were within the normal range when treatment was commenced.