This paper describes the treatment of 35 cases of tumour, paralysis, arthritis, tenositis, mastitis, contution, trauma, diarrhoer, and dysentery in veterinary, 32 cases were cured using a He-Ne laser. Laser therapy proves to he effective in antipruritine, antinfan, antiinflammatory, antiphlogistine and wound recovery. It is painless, free from side-effects, safe and effective. This therapeutic method is a promising one in veterinary clinic.