Compound external selamectin drops for pets as well as method and application thereof

The invention provides compound external selamectin drops for pets as well as a method and application thereof. According to the drops disclosed by the invention, the selamectin and other ingredients with insecticidal efficacy are compounded, so that the drops disclosed by the invention have excellent insecticidal effects; meanwhile, in the drops disclosed by the invention, moringa seed oil and eucalyptus oil are taken as a transdermal agent, so that odor in the drops can be masked, and the sensory effect of a user is improved; and furthermore, due to the excellent insecticidal effects, the drops disclosed by the invention can be used for killing parasites inside and outside animal bodies. According to a method for preparing the drops disclosed by the invention, the ingredients in the invention are taken as raw materials and are mixed so as to prepare corresponding drops. The invention has the advantages that the preparation method is simple, the efficiency is high, the prepared drops have excellent insectici