A method for operating a press with a bottom drive by using - at least one drive device disposed in a sub-structure, the drive elements (2.1) of which form, with at least one motor or servo-motor (2.1.1) and at least one tie rod (2.1.2), at least one drive train (2.1.4) for at least one plunger (1.1) executing a stroke (h) and receiving at least one upper tool part (1.2), and - at least one bottom tool part (3.2) disposed on the sub-structure, wherein the plunger (1.1) acts with the upper tool part (1.2) onto a work piece to be processed lying on the bottom tool part (3.2) and the stroke of the plunger (1.1) is operated via or ahead of a top dead center to or via a bottom dead center, characterized in that values from operation conditions in the system of the press during the processing of the work piece are received by means of a control and regulation device and processed into data according to the function F x = L x ⋅ F 2 under the condition that L > x > L 2 and used for the movement of the plunger (1.1) via the drive device and the press is thus permanently operated in a controlled or regulated manner according to a system of forces required for the work piece, with a respective force, actively influenced or modified in its position and its dimension (amount), wherein first (4.1.1) data based on detected values of a travel progression or of a position during the stroke (h) of the plunger (1.1) are detected using a first means (4.1), and ∘ F(x) represents a force controlled according to the function ∘ F 2 represents a locally acting force ∘ x represents an area of a variably acting force and ∘ L represents a variable area of acting forces between a locally acting force F 1 and the locally acting force F 2, wherein the locally acting forces F 1 and F 2 transferred from the upper tool part (1.2) act on the work piece to be processed and are detected by means of a second, means (4.2) in at least one element of the drive device and values are collected and processed as data of at least - one force and travel progression and - the at least one element of the drive device, a change of an operational value in the system of the press or the process of the work piece to be processed, which influence the stroke (h) of the plunger (1.1). - at least one drive device disposed in a sub-structure, the drive elements (2.1) of which form, with at least one motor or servo-motor (2.1.1) and at least one tie rod (2.1.2), at least one drive train (2.1.4) for at least one plunger (1.1) executing a stroke (h) and receiving at least one upper tool part (1.2), and - at least one bottom tool part (3.2) disposed on the sub-structure, wherein the plunger (1.1) acts with the upper tool part (1.2) onto a work piece to be processed lying on the bottom tool part (3.2) and the stroke of the plunger (1.1) is operated via or ahead of a top dead center to or via a bottom dead center, characterized in that values from operation conditions in the system of the press during the processing of the work piece are received by means of a control and regulation device and processed into data according to the function F x = L x ⋅ F 2 under the condition that L > x > L 2 and used for the movement of the plunger (1.1) via the drive device and the press is thus permanently operated in a controlled or regulated manner according to a system of forces required for the work piece, with a respective force, actively influenced or modified in its position and its dimension (amount), wherein first (4.1.1) data based on detected values of a travel progression or of a position during the stroke (h) of the plunger (1.1) are detected using a first means (4.1), and ∘ F(x) represents a force controlled according to the function ∘ F 2 represents a locally acting force ∘ x represents an area of a variably acting force and ∘ L represents a variable area of acting forces between a locally acting force F 1 and the locally acting force F 2, wherein the locally acting forces F 1 and F 2 transferred from the upper tool part (1.2) act on the work piece to be processed and are detected by means of a second, means (4.2) in at least one element of the drive device and values are collected and processed as data of at least ∘ F(x) represents a force controlled according to the function ∘ F 2 represents a locally acting force ∘ x represents an area of a variably acting force and ∘ L represents a variable area of acting forces between a locally acting force F 1 and the locally acting force F 2, wherein the locally acting forces F 1 and F 2 transferred from the upper tool part (1.2) act on the work piece to be processed and are detected by means of a second, means (4.2) in at least one element of the drive device - one force and travel progression and - the at least one element of the drive device, a change of an operational value in the system of the press or the process of the work piece to be processed, which influence the stroke (h) of the plunger (1.1).