The invention relates to a method for coating of a medical implant that can be used to apply a calcium salt to the surface of a medical implant easily and without expensive coating equipment and little expenditure of time.Accordingly, a method is provided that includes(i) providing a medical implant that includes at least one surface to be coated;(ii) providing a body that includes at least one calcium salt with a Mohs hardness of no more than 5.5 on at least one of its surfaces; and(iii) rubbing said body having the calcium salt-containing surface onto the at least one medical implant surface to be coated in order to coat said surface of the medical implant with the at least one calcium salt.