A lighting system, comprising: a directional lighting apparatus, which comprises a directional lighting drive controller and at least one directional lighting array, wherein a light emitted by the at least one directional lighting array illuminates an area of a single patient support, directly or after being reflected by other medium; a mounting framework, which is configured to fix the directional lighting array; an input/output interface, which is configured to receive an instruction from a user; a memory, which is configured to store configuration information of a default lighting mode and at least one customized lighting mode, wherein the configuration information of the default lighting mode comprises multiple pieces of default color temperature configuration information which are associated with different working hours and/or multiple pieces of default illuminance configuration information which are associated with different working hours, wherein the configuration information of the customized lighting mode at least comprises customized illuminance configuration information; and a processor, which is configured to control, when receiving a selection instruction for the at least one customized lighting mode from the user, the directional lighting apparatus to be switched from the default lighting mode, which is in operation, to a selected customized lighting mode, and to control, when a cancellation instruction is received from the user or the selected customized lighting mode is completed, the directional lighting apparatus to return to the default lighting mode, characterized in that, the at least one directional lighting array comprises at least one first directional lighting array and at least one second directional lighting array (31a"), the processor is further configured to control the first directional lighting array and the second directional lighting array (31a") through the directional lighting drive controller independently, according to the instruction from the user; wherein a convergence area of the at least one first directional lighting array is a first convergence area, a convergence area of the at least one second directional lighting array (31a") is a second convergence area; wherein the first convergence area and the second convergence area respectively correspond to different parts of the single patient support. a directional lighting apparatus, which comprises a directional lighting drive controller and at least one directional lighting array, wherein a light emitted by the at least one directional lighting array illuminates an area of a single patient support, directly or after being reflected by other medium; a mounting framework, which is configured to fix the directional lighting array; an input/output interface, which is configured to receive an instruction from a user; a memory, which is configured to store configuration information of a default lighting mode and at least one customized lighting mode, wherein the configuration information of the default lighting mode comprises multiple pieces of default color temperature configuration information which are associated with different working hours and/or multiple pieces of default illuminance configuration information which are associated with different working hours, wherein the configuration information of the customized lighting mode at least comprises customized illuminance configuration information; and a processor, which is configured to control, when receiving a selection instruction for the at least one customized lighting mode from the user, the directional lighting apparatus to be switched from the default lighting mode, which is in operation, to a selected customized lighting mode, and to control, when a cancellation instruction is received from the user or the selected customized lighting mode is completed, the directional lighting apparatus to return to the default lighting mode, characterized in that, the at least one directional lighting array comprises at least one first directional lighting array and at least one second directional lighting array (31a"), the processor is further configured to control the first directional lighting array and the second directional lighting array (31a") through the directional lighting drive controller independently, according to the instruction from the user; wherein a convergence area of the at least one first directional lighting array is a first convergence area, a convergence area of the at least one second directional lighting array (31a") is a second convergence area; wherein the first convergence area and the second convergence area respectively correspond to different parts of the single patient support.