For chest CT examination, different departments will be selected according to the specific condition of the patient, as follows: 1. If the patient is an outpatient and now has symptoms of coughing, coughing, hemoptysis or shortness of breath, he/she should first register with the respiratory department, and then after diagnosis by the doctor, he/she will issue an application form to the CT appointment room to book a time for examination; 2. If you are an inpatient, you do not need to register, and the doctor in charge will issue an application form to make an appointment online according to the patient’s condition, and then you can go to the CT room for examination when the time comes; 4. suitable arrangements. In short, depending on the patient’s condition, different departments can be registered.