Radiation Diagnosis and Treatment Regulations, medical institutions should set up conspicuous warning signs for the following equipment and places: 1. equipment and containers containing radioisotopes and radioactive waste, with ionizing radiation signs; 2. radioisotopes and radioactive waste storage places, with warning signs of ionizing radiation and the necessary text description; 3. radiation diagnosis and treatment of the workplace at the Entrance, with a warning sign of ionizing radiation; 4. Diagnosis and treatment workplace should be in accordance with the requirements of the relevant standards are divided into the control area, supervision area, in the control area of the import and export and other appropriate locations, with a warning sign of ionizing radiation and work lights.