Provided is a medical tube including at least one layer made of a composition containing a cross-copolymerized olefin-aromatic vinyl compound-diene copolymer. The medical tube according to the present invention, which has excellent kink resistance, toughness, transparency, non-adsorption of drugs, and the like, and is made of a non-toxic polyvinyl chloride (PVC)-free material, may be combined with an injection-molded article of the resin, the resultant article may be effectively used for medical supplies such as an infusion set, a blood transfusion set, a medical liquid container set, a medical catheter, and the like.
