'Ali Qapu frontispiece built on Shah tahmasb period and it is changed at the time of Shah Abbas aval. This frontisoiece was considered as the main entrance to residence of safavid era. Frontispiece includes a high porch, an entrance with a sharp arch and three rows of odds in two sides. Earrings with bricky columns in two storey complete the panorama of frontispiece. Eight-form that is joined to the porch of entrance is octangular,there are guardians rooms in two sides of entrance. An inscription and tilling nets are decorations which have remained on the porch of entrance. The inscription has written by Alireza Abbasi,a popular painter&calligrapher in Safavid era.