The adhesive composition and now becomes adhesive

Requirements (A1) hardness; 20~90, (A2) C3 units 50-92 mol%, C2 units 7-24 mol%, consists α- olefin units 3-25 mole percent of 4 to 20 carbon atoms, (A3) Mw / Mn1.2~3.5, (A4) mm85~99.9%, (A5) B value 0.8~1.3, (A6) 2,1- insertion amount less than 1%, (A7) Tg -10~-50 ℃, (A8) MFR0.5~500g / satisfy 10 minutes propylene copolymer (a) 40 to 98 wt%, the requirements (B1) mp 100~175 ℃, (B2) mmmm90~99.8% , (B3) MFR0.1~100g / 10 satisfy minutes crystalline isotactic polypropylene (B) soft polypropylene resin composition comprising 2 to 60 wt% (X) 10 to 70 parts by weight and a tackifier (C) 30 to 90 parts by weight (where component X) and the total amount of the adhesive composition consisting of that) and 100 parts by weight of component (C) (Y).