  We investigate the dark matter constraints for the nonminimal SUSY standard
model (NMSSM). The cosmologically restricted mass spectra of the NMSSM are
compared to the minimal SUSY standard model (MSSM). The differences of the two
models concerning the neutralino, sfermion and Higgs sector are discussed. The
dark matter condition leads to cosmologically allowed mass ranges for the SUSY
particles in the NMSSM: m_{\tilde{\chi}^0_1} < 300 GeV, m_{\tilde{e}_R} < 300
GeV, 300 GeV < m_{\tilde{u}_R} < 1900 GeV, 200 GeV < m_{\tilde{t}_1} < 1500
GeV, 350 GeV < m_{\tilde{g}} < 2100 GeV and for the mass of the lightest scalar
Higgs m_{S_1} < 140 GeV.
