Objective : Low level laser therapy(LLLT) is conjugated many different diseases such as skin disease, nervous system disease, cardiovascular disease, etc. This study was tried to survey the conjugation of LLLT in field of ophthalmology, otolaryngology and dermatology of Korean Medicine. Methods : In this study, LLLT deal with the field of ophthalmology, otolaryngology and dermatology was searched at Pubmed and NDSL. We searched Pubmed and NDSL with the title "Laser Therapy and Low-Level" for the last 10 years and analyzed disease, laser type, sample size, effect, journal and year. Results : Using Pubmed and NDSL, 8 treatises were researched. About 8 treatises, 7 treatises were papers in field of dermatology, 1 treatise was ophthalmology. And about 8 treatises, 6 treatises were foreign papers and 2 treatises were domestic papers on clinical application of laser status. Mainly used type of laser was a He-Ne laser and Diode laser. The diseases were ocular hypertension, acne, ulcers in patients with leprosy sequelae, freckles, segmental-type vitiligo lesions, diabetes-linked skin lesion, facial skin melanin and elasticity, atopic dermatitis symptom. As a result, we found that treat group had more improvement than control group in 7 of the 8 treatises, that treat group had no difference control group on effect significantly only 1 treatise. Conclusions: As therapeutic tool, LLLT's application range is very wide in the field of ophthalmology, otorhinolaryngology, and dermatology. Keep up with the increasing interest of domestic and foreign about laser