During Qajar rule in Iran and due to the lack of foreign competitor and holding exhibitions in western countries, some arts such as carpet weaving were flourished. Iranian especially Tabrizi merchants had established carpet weaving workshops in most part of Iran such as Mashhad, it had to be mentioned that in addition to available sources, some carpets in Astan Qods Carpet Museum are very useful for better understanding of the methods of Mashhad carpet weaving. The most important questions are that when had the art-industry of carpet weaving flourish in Mashhad? and according to available carpets in Astan Qods Carpet Museum what are the characteristics of Mashhad carpets during Qajar era? The aim of this research is the better identification of Mashhad carpet in Qajar era. Characteristics of weave, design and color arrangement will study in this research.