By sorting out the ancient books and literatures of Chinese medicine in Ming and Qing Dynasties,this paper further discussed the disease name,etiology and pathogenesis and treatment medication of insomnia. From the recognition evolution of insomnia syndrome in Chinese medicine,it was arisen from the pre Qin and Han Dynasties,developed in the period of Song,Jin and Yuan Dynasties and improved in the Ming and Qing Dynasties. Many physicians in Ming and Qing Dynasties learned the medical experience of predecessors and wrote a large number of medical books combined with individual clinical practice,which made the understanding of insomnia syndrome more systematic and perfect.