Аннотация:The problems of thermoelasticity and poroelasticity with boundary conditions are considered. The disjoint formulation of thermoelasticity problem is compared with the poroelasticity problem in two different formulations with differentchoice of basic kinematic variables. An analogy between the equations for both caseswhen considering full strains and full stresses is shown. The ratio allowing to overwrite the thermal expansion coefficient is obtained so that for the transition of theequations for poroelasticity problem into the equations for thermoelasticity problemformal replacement of pressure by temperature is sufficient.