The old city consists of the south and north cities and the west of the canal. The west of the canal only has the site of the east wall about 100 meters long. The north city of the canal is 180 meters south and 150 meters east and west. The wall is 2 meters high and 3 meters wide. There are residual observation decks at the four corners of the city. There are mounds and houses in the city. The south city of the east of the canal is slightly square, with a side length of about 100 meters, a wall of 3 meters high, and a 10-meter high observation deck in the northeast corner. Along the small earth mountain on the north of Karluke Canal, there is a campfire platform every 500-1000 meters, there are more than ten, there are many Buddhist temple sites on the outskirts of the city, and there are ancient tombs one kilometer west of the city. The ancient city is Han and Tang. When the East Han Dynasty, this place was "Yiqi Duwei" Tutian. The Tang Dynasty was located in this county. It is located in the village of Sibao, Wubao Township, Hami City, 65 kilometers east from Hami City.