Hello, Western medicine is an experimental science, and today's Western hospitals in the diagnosis, treatment and other aspects of the main rely on medical equipment, such as medical imaging, data, etc., without which, no Western doctor can prescribe medication, surgery, for example, COPD is in the lung function test, medical imaging, biopsy, the patient's symptomatic description of the basis, compared with the "clinical diagnostic criteria for chronic obstructive pulmonary disease" to Diagnosis is made on the basis of the "Clinical Diagnostic Criteria for COPD". Conditions for which medications are prescribed based on experience alone are basically common minor ailments.
The Chinese medicine is developed through clinical experience, for example, the diagnosis and prescription of medicines can be accomplished by taking the pulse alone.