From the perspective of elementary kinetic energy and momentum conservation as well as the certain assumptions,we analyze the correlations of construction parameters which may possibly be existed during the process of pile sinking by hammer,such as hammer mass and pile mass,energy of per blow and length of penetration,hammer mass and length of penetration,as well as hammering stress and length of penetration.The results show that:by calculating the hammer force and hammer stress,it is possible to choose the proper hammer type and hammering energy and ensure smooth pile sinking;the length of penetration that can be generated under the condition of rock (soil)is anticipated,and it can provide the basis for the penetration control standard of the pile sinking by hammer;combined with the length of penetration control standard,the energy consumption in the process of sinking is calculated,and the basis is provided for the standard of choosing hammer;according to the determined pile type and pile hammer,a reasonable pile cushion material is selected to play the best performance in the process of pile sinking by hammer.