While prehospital medical interventions are evolving and improving survival rates, the evidence for adequate early prognostic assessment is often insufficient. A 12-year-old Japanese child was found hanging on the roof of his home. After being rescued by his mother, he was transported by an ambulance and a rapid response car (RRC) with doctors, nurses, and paramedics on board, and admitted to our hospital. His initial Glasgow Coma Scale score in the RRC was 4. Although he did not undergo intubation and targeted temperature management (TTM), he had no neurological sequelae upon discharge. To the best of our knowledge, this report is the first to describe the case of a child with a decreased level of consciousness after near-hanging, who was treated without intubation and TTM.