Abstract: In order to better apply the medical Internet of Things to the diagnosis and treatment of acute respiratory distress syndrome (ARDS), a Chinese expert consensus is developed based on the "ARDS Intelligent Diagnosis and Treatment Program" (ARapp). Function of ARapp of assistance in diagnosis: to diagnose ARDS intelligently according to patients' clinical data and generate a severity grade; establish online ARapp 5A database to capture data in real time, maintain and update; with the help of massive data training diagnostic model, to improve selfefficiency. Guidance for treatment: to form opinions on treatment based on guidelines for doctors' reference, provide contact with experts and MDT, and assist with follow-up. At the same time, to ensure the quality of auxiliary diagnosis and treatment, it is necessary to carry out quality control of data and clinical practice of doctors. In this way, the medical Internet of Things can be implemented into the accurate diagnosis and homogenization treatment of ARDS.