[2] He was known in Chinese as Bái Sūfábójué (白蘇伐勃駃, the prefix "白" means "white", possibly pointing to the fair complexion of the Kucheans)[3][4] as he sent an embassy to the court of the Tang dynasty in 618 CE acknowledging vassalship.

[5][6][7] Suvarṇapuṣpa is illustrated with his Queen in Cave 69 of the Kizil Caves, with an inscription in Brahmi script on his halo:[5] "Temple Constructed for the Benefit of Suvarnapuspa by His Son"Suvarṇapuṣpa is known to have ruled between 600 and 625, and his three sons died before 647 CE according to Chinese sources.

[6] Xuanzang described in many details the characteristics of Kucha (屈支国, in "大唐西域记" "Tang Dynasty Account of the Western Regions"), and probably visited Kizil:[10][11] 1) "The style of writing is Indian, with some differences" 2) "They clothe themselves with ornamental garments of silk and embroidery.

They cut their hair and wear a flowing covering (over their heads)" 3) "The king is of Kuchean race"[12] 4) "There are about one hundred convents (saṅghārāmas) in this country, with five thousand and more disciples.

Their doctrine (teaching of Sūtras) and their rules of discipline (principles of the Vinaya) are like those of India, and those who read them use the same (originals)."