A fluorochemical coating composition comprising a hydrolyzable group-containing silane modified with a fluorooxyalkylene-containing polymer and/or a partial hydrolytic condensate thereof, and a fluorooxyalkylene-containing polymer having an average molecular weight not higher than the average molecular weight of component, in a weight ratio / of 40/60 to 95/5, wherein a weight average molecular weight (Mw) of component is the weight average molecular weight of component multiplied by a factor 0.25 to 1, where weight average molecular weight is determined in accordance with the method outlined in the description, and wherein the hydrolyzable group-containing silane modified with a fluorooxyalkylene-containing polymer is at least one member selected from fluorooxyalkylene-containing polymer-modified silanes having the general formulae,, and: A-Rf-QZW α Rf-(QZW α) 2 wherein Rf is -(CF 2) d -(OCF 2) p (OCF 2 CF 2) q (OCF 2 CF 2 CF 2) r -(OCF 2 CF 2 CF 2 CF 2) s (OCF(CF 3)CF 2) t -O-(CF 2) d -, d is independently an integer of 0 to 5, p, q, r, s and t are each independently an integer of 0 to 200, p+q+r+s+t is an integer of 10 to 200, individual units in parentheses may be randomly arranged, α is an integer of 1 to 7, A is fluorine, hydrogen, or a monovalent fluorinated group terminated with -CF 3, -CF 2 H or -CH 2 F radical, Q is a single bond or an optionally fluorinated divalent organic group, Z is a single bond, a trivalent group: -JC=, wherein J is an alkyl, hydroxyl or silyl ether group: K 3 SiO- wherein K is independently hydrogen, alkyl, aryl or alkoxy; a trivalent group: -LSi=,wherein L is alkyl; a tetravalent group: -C≡, a tetravalent group: -Si≡, or a di- to octavalent siloxane residue, W is a hydrolyzable group-bearing group having the general formula, or: wherein R is C 1 -C 4 alkyl or phenyl, X is a hydrolyzable group, a is 2 or 3, 1 is an integer of 0 to 10, D is a single bond or an optionally fluorinated C 1 -C 20 divalent organic group, b is an integer of 2 to 6, and Me is methyl, A-Rf-Q- β B Rf-(Q- β B) 2 wherein Rf, A and Q are as defined above, β is an integer of 1 to 10, Y is a hydrolyzable group-bearing divalent group having formula or: wherein R, X and a are as defined above, D is a single bond or an optionally fluorinated C 1 -C 20 divalent organic group, D' is an optionally fluorinated C 1 -C 10 divalent organic group, R 1 is a C 1 -C 20 monovalent hydrocarbon group, and e is 1 or 2, and B is hydrogen, C 1 -C 4 alkyl or halogen, wherein the fluorooxyalkylene containing polymer is a polymer having the general formula: A-Rf-A wherein Rf is -(CF 2) d -(OCF 2) p (OCF 2 CF 2) q (OCF 2 CF 2 CF 2) r -(OCF 2 CF 2 CF 2 CF 2) s (OCF(CF 3)CF 2) t -O-(CF 2) d -, d is independently an integer of 0 to 5, p, q, r, s and t are each independently an integer of 0 to 100, p+q+r+s+t is an integer of 5 to 100, individual units in parentheses may be randomly arranged, and A is as defined above. wherein Rf is -(CF 2) d -(OCF 2) p (OCF 2 CF 2) q (OCF 2 CF 2 CF 2) r -(OCF 2 CF 2 CF 2 CF 2) s (OCF(CF 3)CF 2) t -O-(CF 2) d -, d is independently an integer of 0 to 5, p, q, r, s and t are each independently an integer of 0 to 200, p+q+r+s+t is an integer of 10 to 200, individual units in parentheses may be randomly arranged, α is an integer of 1 to 7, A is fluorine, hydrogen, or a monovalent fluorinated group terminated with -CF 3, -CF 2 H or -CH 2 F radical, Q is a single bond or an optionally fluorinated divalent organic group, Z is a single bond, a trivalent group: -JC=, wherein J is an alkyl, hydroxyl or silyl ether group: K 3 SiO- wherein K is independently hydrogen, alkyl, aryl or alkoxy; a trivalent group: -LSi=,wherein L is alkyl; a tetravalent group: -C≡, a tetravalent group: -Si≡, or a di- to octavalent siloxane residue, W is a hydrolyzable group-bearing group having the general formula, or: wherein R is C 1 -C 4 alkyl or phenyl, X is a hydrolyzable group, a is 2 or 3, 1 is an integer of 0 to 10, D is a single bond or an optionally fluorinated C 1 -C 20 divalent organic group, b is an integer of 2 to 6, and Me is methyl, wherein Rf, A and Q are as defined above, β is an integer of 1 to 10, Y is a hydrolyzable group-bearing divalent group having formula or: wherein R, X and a are as defined above, D is a single bond or an optionally fluorinated C 1 -C 20 divalent organic group, D' is an optionally fluorinated C 1 -C 10 divalent organic group, R 1 is a C 1 -C 20 monovalent hydrocarbon group, and e is 1 or 2, and B is hydrogen, C 1 -C 4 alkyl or halogen, wherein R, X and a are as defined above, D is a single bond or an optionally fluorinated C 1 -C 20 divalent organic group, D' is an optionally fluorinated C 1 -C 10 divalent organic group, R 1 is a C 1 -C 20 monovalent hydrocarbon group, and e is 1 or 2, and B is hydrogen, C 1 -C 4 alkyl or halogen,