The laser health needle you mentioned should be a kind of laser acupuncture. Laser acupuncture is a new type of acupuncture. Irradiating acupoints with weak laser can alleviate and treat various diseases. Of course, if you are not sick, you can also spice up your body by stimulating relevant acupoints. Laser acupuncture has been used to quit smoking and lose weight for a long time, and health preservation will certainly have curative effect, but the exact parameters and acupoint compatibility are not very standardized at present.