Seminatural meadows and pastures were formed by long-term extensive and medium intensive management. After all man by his regular interferences did not change their stand conditions and species composition. Their present state, the mood of utilization and extention was significantly influenced by the end of private ownership after the year 1950 that meant also the extinction of their traditional management. Significant extent of meadows and pastures of Slovakia has been ameliorated and so it is prepared for the management by large machines and grazing by large herds. Original seminatural meadows and extensive pastures have been conserved only in enclaves and many of them represent endangered plant communities. In spite of their endangerment only a few of them are protected by special regime of management. At present it is the problem due to lack of financial means and their decrease is supposed.