Marketing analysis of the assortment structure of immunobiological medical products (IMP) used for children routine immunization has been described in the article. It has been found that the given group of products is represented at the Ukrainian pharmaceutical market by 34 trade names, 65% of which belong to foreign producers, 35% are produced by domestic manufacturers. Among the foreign countries-manufacturers of IMP for children routine immunization Belgium takes the leading place, the share of its registered trade names is 29% of this segment. According to the results of the analysis it has been found that manufacturing a number of vaccines mostly from the foreign “in bulk” form is the feature of domestic IMP production. In particular, such production method for vaccines is used by “PHARMA LIFE” company (Lviv), which forms 33% of the domestic vaccine assortment, and “PHARMEX GROUP” company (Boryspil, Kyiv region), and it is 17% of the assortment. Only “PHARMSTANDARD-BIOLIK” company (Kharkiv) provides the production of vaccines from their own raw materials and forms 50% of the domestic vaccine assortment. During the research vaccines were divided by the amount and direction of action of the components, and mono- and multicomponent vaccines were distributed by the countries-manufacturers. It has been found that mono- and multicomponent vaccines are represented at the Ukrainian pharmaceutical market in an equal amount – 17 trade names. Among the countries-manufacturers of monovaccines the leading place belongs to Ukraine (17.6% of the assortment), among the manufacturers of multicomponent vaccines Belgium takes the first place representing 41% of the assortment. The results of the marketing analysis show the dependence of the Ukrainian market of vaccines, especially multicomponent ones, on import and determine the need for further study of the availability level of IMP for children routine immunization.