Baluchestan as a natural gateway of the Indian subcontinent has long attracted attention. Pottery, as a characteristic of artistic and applied styles of different periods, in addition to determining the age of a settlement, can help to know the social conditions, historical developments and the quality of trade exchanges. Therefore, one of the most basic ways to understand cultural connections in different periods is to study pottery. So far, no research has been done on Parthian pottery in Khash city, so in this study, the authors try to study the relative chronology of the Parthian sites of Khash city and how the cultural interactions inside and outside of this region based on the typological results of pottery by descriptive-analytical study of potteries. In order to achieve the mentioned purposes and to understand the trend of its cultural currents in the Parthian period, the following questions were raised: ?- What is the predominant decoration of Parthian pottery in Khash city? The predominant decoration of Parthian pottery in Khash city is painting. ?- What have been the cultural interactions inside and outside the region based on the typological results of pottery? The results of typology show that Khash city during the Parthian period with cultural regions of South Baluchistan, Sistan, Kerman, Greater Khorasan, some areas of the Persian Gulf and the Sea of Oman, Afghanistan and Pakistan. As a result, by comparing the typology of pottery, a relatively clear situation of the pottery industry of Khash city in the Parthian period and cultural connections within and outside the region of this city was revealed.