[en] The sum rules for electric dipole photoabsorption are considered in the framework of constituent quark model. Experimental data on electric dipole photoabsorption on a proton up to the photon energy of 1.2 GeV are well described by sum rules of zero and first negative moments. The first sum rule predicts equality of contributions into integrals for photoabsorption on proton and neutron, this making important to obtain qualitative photoabsorption data on neutron. The second rule indicates that in nucleon there is large admixture of [70.0⁺] multiplet, the latter being necessary also from the viewpoint of mass formulae for baryons