Veterinary mixed suspension injection containing chlorocyaniosaliamine or its sodium salt

The present invention relating to vermifuge containing salicylic amine of chlorine, cyanogen and iodine or its sodium salt in long period of validity is a mixing and suspending injection whose containing range of salicylic amine of chlorine, cyanogen and iodine or its sodium salt in content of for mula is 1-20 % (W/V) and at least one kind of other vermifuges can be added in the formula to form acompound preparation. The preparation has the period of validity about 30-100 days which can be regulated to longer or shorter by adjusting granule diameter size of active composition, type of dispersing media and quantity of injection. The compound long period of validity preparation composed of salicylic amine of chlorine, cyanogen iodine and its sodium salt with macrolide type of vermifuge canincrease the dispelling and killing effectiveness of parasites obviously.