It wasnarrated that 'Ali said:
"Jibra'il came down to the Prophet(ﷺ) with (the recommendation of) cupping in the two veins at theside of the neck and the base of the neck." (ID)
English reference (ID): Vol. 4, Book 31, Hadith 3482 (ID)
Arabic reference (ID): Book 31, Hadith 3611 (ID)