ICU constant‑temperature oxygen cage is professional intensive‑care housing for sick, injured and postoperative dogs and cats in animal hospitals and pet clinics. Independent constant‑temperature control system maintains stable internal temperature, provides comfortable constant‑temperature recovery environment for weak, hypothermic, post‑surgical pets. Special oxygen inlet interface supports oxygen‑supply connection, builds independent oxygen‑rich environment for respiratory‑disease pets. Transparent visual door panel allows veterinarians to observe pet status clearly without opening the cage frequently. Good sealing performance reduces oxygen leakage. Built‑in drain structure is convenient for cleaning and disinfection. Sturdy solid frame structure ensures safety and stability during long‑term intensive care. Mainly used for pet postoperative recovery, respiratory‑disease treatment, hypothermia rescue, critical‑case intensive care for dogs and cats.