A surgical lamp and a method for illuminating a surgical field on a human body by the surgical lamp are provided. The surgical lamp comprises a lamp body (1), a control device (4) and at least one separate function module (6, 7). The lamp body (1) comprises at least one illuminant (3) for illuminating the surgical field and at least one interface having a first fixation device (11), a power supply terminal (12) and/or a data connection device (13). The control device (4) is provided for controlling the at least one illuminant (3) and is connected to the data connection device (13) of the at least one first interface for data transmission. The at least one function module (6, 7) comprises a second interface, having a second fixation device (14), a second power supply terminal (15) and/or a second data connection device (16), being compatible to the first interface and that can be docked thereto. Further, the lamp body (1) comprises a recognition device for recognizing a type of a docked function module (6, 7) and the control device (4) is configured to control the at least one illuminant (3) depending on the type of the docked function module (6, 7).
