笔者阐述诊断学的概念和任务，提出诊断学主要发展方向：要不断研究诊断学的概念、任务特点，要不断调整、完善诊断学的发展方向；要努力完成诊断学繁重而艰巨的任务；要把诊断学传统的诊断技术、方法与现代先进的诊断技术、方法紧密地结合起来应用于临床，服务于病人；要不断地研究诊断思维、诊断行为与诊断艺术；要努力创造符合中国国情的诊断学教学方法和评估体系；要加强临床医师基本能力的教育与培养；诊断学应走学科发展之路。

We state the concept, tasks of diagnostics, and then put forward the main development direction of it in this paper.We hope experts and scholars to point out mistakes.We should constantly study the concept and tasks of diagnostics, then adjust and improve the development direction of it.We should try to finish the heavy and arduous tasks of diagnostics and combine the traditional diagnosis technology and methods with the modern closely, then apply them to clinic and serve the patients.We should study the diagnostic thinking, behavior and art constantly and attempt to create teaching methods and evaluation system of diagnostics, which accord with the situation of China.We should strengthen the education and training of clinical basic ability of clinicians.Diagnostics should be developed by the way of subject.