This diploma thesis is about the state welfare benefits system regulated by the act no. 117/1995 coll.. Social security is built on three pillars - social insurance, social security benefits and social assistance. The thesis covers all the three pillars with paying the greatest attention to the area of social security benefits and their distribution. The benefits are defined one by one with all the following specifics: their conditions and purposes, the past and current legislation, conditions of eligibility, the dedicated benefits amount and last but not least the personal opinion of the author. The thesis includes also definitions of terms which are necessary to understand the whole topic. The last part also covers social security benefits proceedings.