Under　the　trend　of　designs　transforming　from　＇material＇　products　to　＇immaterial＇　services,　setting　medical　infanette　as　the　object,　this　paper　broke　away　from　the　traditional　design　approach　of　developing　products　from　creativenesses　and　formed　the　＇Product-Service＇　system　combining　medical　infanette　together　with　obstetric　medical　services　based　on　the　service　design　concept.　Through　the　behavior　and　interaction　researches　among　the　three　parties,　namely,　the　newborn,　the　parturient　and　her　families　and　the　medical　personnel,　integrated　the　commonnesses　and　individuality　demands　of　the　three　parties,　put　forward　obstetric　medical　services　model　design　based　on　medical　infanette　which　provides　references　for　forming　a　complete　product　concept,　striving　for　creating　healthy,　scrupulous　obstetric　medical　service　experiences　under　the　premise　of　meeting　the　demand　of　the　three　parties.　It　is　one　of　the　trends　of　medical　product　design　in　the　future.　©　2015　Taylor　&　Francis　Group,　London.