Azumi shi ne kamewa daga barin cin abinci ko sha ko jima'i (saduwan tsakanin namiji da mace) ko shan taba ko allura ta abinci daga ketowar alfijir nabiyu har zuwa faduwan rana. Hakika Allah ya wajabta azumi acikin Alkur'ani mai girma inda yace "duk wanda ya riski watan (Ramadan) to ya azumceshi" shi Musulmi ne (surah albakarah 2:185) sannan ya kara da cewa "ya ku masu imani hakika an wajabta muku azumi kamar yanda akawajabta ma wanda suke gabaninku koku zakuyi takawa" (albakarah 2:183) abubuwanda suke karya azumi #cin abinci shan abinsha jima'i shantaba abu maisa maye alluran abinci da dai sauran dukkan abinda zai bi ta makoshin mai azumi Azumi akwai wanda yake wajibi akwai kuma na Nafila wato sunnah, Azumin wajibi wato na Farilla shine Azumin watan Ramadan, Azumin kaffara da kuma Azumin balance. Shi na Ramadan indai ya riski Musulmi yanada lafiya, da hankali, kuma baligi (Balaga) wanda ya ke mazaunin gida ma'ana ba matafiyi ba, kuma ba lokacin jinin al'ada ba ga mata ko kuma Jego ko kuma tsohon da tsufa yasa baya iya yin Azumi, ko kuma wani dalili mai ƙarfi wanda ma'abota Ilimin addinin Musulunci sukayi fatawa a kanshi.