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We investigate the Higgs sector of a nonlinear supersymmetric standard model at LEP 1 and LEP 2, as well as at future linear e + e − colliders with √ s = 500, 1000, and 2000 GeV. The LEP 1 data do not put any constraints on the parameters of the model, and allow a massless Higgs boson in particular. For LEP 2, there are remarkable differences between the Higgs productions at √ s = 175 GeV on the one hand and that at √ s = 192 GeV and 205 GeV on the other hand. The case for √ s = 175 GeV is similar to LEP 1, whereas those for √ s = 192 GeV and 205 GeV will be able to give experimental constraints on the parameters. Finally the e + e − colliders with √ s = 500, 1000, and 2000 GeV are most probably able to test the model conclusively.

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