A study of the medicinal plants of Udigram, District Swat was conducted during spring and summer 2003. The study revealed 78 species under 37 genera belonging to 47 families, of which 68 plant were dicotyledons, 6 monocotyledons, 1 gymnosperm, 2 pteriodophytes and 1 fungus. The largest family was Lamiaceae (9 species) followed by Asteraceae, Poaceae (each with 5 species), and Rosaceae (4 species). The family Apiaceae, Asclepidaceae, Brassicaceae, Caryophylaceae, Euphorbiaceae, Moraceae, Oleaceae, Papilionaceae, Polygonaceae, Scrophulariaceae, Solanaceae, and Uriticeae were represented by two species each. The remaining families have only one species of medicinal importance. These species are used for the curing of various human ailments in traditional system of medicine. The local uses, local method of recipe preparation and their local name and diseases treated were recorded for each species from knowledgeable and experienced persons of the area. Further study is recommended to find out the availability of economical important medicinal and aromatic plants of the area and suggest their conservation with the involvement of local people.