In this study, flowers and leaves of Tilia miqueliana in different developmental stages as the materials were treated by hot-air drying of 90℃、60℃、30℃and vacuum freeze-drying to investigate the content of water, total falconoid, tea polyphone and amino acid. The results showed that the content of total falconoid in flowers were less than leaves; the content of tea polyphone were more than leaves; the content of amino acid were less than young leaf and more than mature leaf. When the water content is lower 6...