Based on medicinal plant references from Vietnam, 1884 flowering plant species (194 families, 956 genera) can be used to treat 30 diseases or have 4 valuable uses such as Tranquillizer, Detoxify, Galactopoietic and Diuretic. 23 species (15 families, 18 genera) for Tranquillizer, 94 species (50 families, 79 genera) for Vaginitis, 18 species (13 families, 15 genera) for Paralytic, 6 species (6 families, 6 genera) for Obese, 60 species (28 families, 50 genera) for Flu, 63 species (37 families, 56 genera) for Eyesore, 96 species (45 families, 77 genera) for Toothache, 97 species, (50 families, 86 genera) for Detoxify, 18 species (18 families, 18 genera) for Syphilis, 80 species (50 families, 71 genera) for Asthma, 17 species (8 families, 11 genera) for HIV AIDS, 56 species (41 families, 54 genera) for Gonorrhoea, 378 species (108 families, 56 genera) for Dysentery, 31 species (22 families, 29 genera) for Galactopoietic, 131 species (69 families, 116 genera) for Diuretic, 11 species (9 families, 9 genera) for Mump, 737 species (129 families, 626 genera) for "Snack bite", 23 species (18 families, 22 genera) for Urolithiasis, 134 species (56 families, 122 genera) for Malaria, 462 species (113 families, 323 genera) for Rheumatism, 55 species (34 families, 49 genera) for Diabetes, 87 species (42 families, 70 genera) for Heart and blood pressure diseases, 70 species (46 families, 63 genera) for Haemorrhoids, 21 species (16 families, 20 genera) for Cancer, 42 species (27 families, 38 genera) for Gastritis, 154 species (66 families, 129 genera) for Hepatitis, 5 species (5 families, 5 genera) for Keratitis, 81 species (42 families, 75 genera) for Sore throat, 11 families (9 families, 11 genera) for Encephalitis, 72 species (41 families, 66 genera) for Nephritis, 10 species (6 families, 8 genera) for Sinusitis, 22 species (17 families, 20 genera) for Sterile, 19 species (14 families, 17 genera) for Cirrhosis, 3 species (3 families, 3 genera) for Brain hemorrhage. Each species can be used to treat some diseases. The information of species can be used to orient researches fast and effectively.