Laser light source module and laser coupling device thereof

A laser coupling device, comprising:

• a laser light source module, comprising a first laser light source and a first light concentrating element, wherein the first laser light source comprises a base, a housing part, and a light-emitting part, the housing part is provided with a bottom end and a light outlet end opposite to each other, the bottom end is fixed to the base, the light-emitting part is disposed on the base and located inside the housing part, the light-emitting part is suitable for generating first laser beams, and the first light concentrating element is fixed to the light outlet end of the housing part or the base and is located on a transmission path of the first laser beams;
• a first optical transmission element, suitable for transmitting second laser beams;
• a light guide element, disposed downstream of an optical path of the first optical transmission element;
• a second light concentrating element, disposed downstream of optical paths of the light guide element and the first light concentrating element;
• and
• a second optical transmission element, located downstream of an optical path of the second light concentrating element, wherein the second light concentrating element is suitable for coupling the first laser beams and the second laser beams to the second optical transmission element.