Till now museum’s collection has been formed from presents and the personal collections, that are handed over to museum for storage on not fixed time, but a part of works are acquired in purchases way. At the moment in the main collection, which is included in Latvia’s national collection, are 179 naive art masterpieces, but in ancillary collection are more than 900 work’s and photoreproductions. Constantly museums collections are increasing and have been deliberated constantly new naive art authors and their works.