紅薯葉具有止血、降血糖、解毒、預防夜盲癥、促進新陳代謝、通便利尿、升高血小板、預防動脈硬化、催乳解毒等保健功能。紅薯葉可以使皮膚光滑。經常食用可以預防便秘，保護視力，保持皮膚細膩，延緩衰老。
發現紅薯葉中蛋白質、維生素、礦物質元素含量極高。蛋白質含量2.74%，胡蘿蔔素5580 IU/100g，維生素B2 3.5mg/kg，維生素C 41.07mg/kg，鐵3.94mg/kg，鈣74.4mg/kg。
/iknow-pic . cdn . BCE Bos . com/48540923 DD 54564 e 29550 b 57 bdde 9 c 82d 1584 fa 8 " target = " _ blank " title = " " class = " ikqb _ img _ alink " >/iknow-pic . cdn . BCE Bos . com/48540923 DD 54564 e 29550 b 57 bdde 9 c 82d 1584 fa 8？x-BCE-process = image % 2f resize % 2Cm _ lfit % 2Cw _ 600% 2Ch _ 800% 2c limit _ 1% 2f quality % 2Cq _ 85% 2f format % 2Cf _ auto " esrc = "/n 1/2017/0717/c 14739-29408683 . html " target = " _ "人民網-紅薯葉才是真正的綠葉菜之王。