PROBLEM TO BE SOLVED: To provide a care article which reduces stress of a horse, particularly a race horse for a horse race supposed to be stressed, or a race horse for horsemanship, has an aromatherapy effect such as relaxing the horse, and in which improvement of prevention of injury and result of a horse race or the like can be expected, and to provide a method for care.SOLUTION: This aqueous coating composition for horses contains fragrances and extracts of crude drugs and a water-soluble polymer as a base material. The aqueous coating composition for horses has an effect of suppressing an increase in the respiration rate of horses and suppressing an increase in the heart rate of horses.COPYRIGHT: (C)2013,JPO&INPIT【課題】馬、とりわけストレスがかるとされる競馬の競走馬や、馬術に用いられる競技馬のストレスを軽減し、またリラックスさせるなどのアロマテラピー効果を有し、怪我の防止や競技成績の向上などが期待できる、馬用のケア用品およびケア方法を提供すること。【解決手段】本発明の馬用水性塗布組成物は、香料類、生薬類エキスおよび基材として水溶性高分子を含むことを特徴とする。当該馬用水性塗布組成物は、馬の呼吸数の上昇を抑える効果、馬の心拍数の上昇を抑える効果を有することができる。【選択図】なし