Hydrophilic slippery treatment agent and surface treatment method

A hydrophilic slippery treatment agent, comprising:

• an organosilicon compound (A) having one silicon atom, one hydrophilic-chain- containing group represented by the following formula (1) and three hydrolyzable groups, the hydrophilic-chain-containing group and the hydrolyzable groups bonding to the silicon atom;
• a metal alkoxide (B);
• and
• a solvent,
• wherein one of the hydrolyzable groups is an alkoxy group, an acetoxy group, a chlorine atom, or an isocyanate group,
• the content of the organosilicon compound (A) is 0.01 to 30 mass %,
• the content of the metal alkoxide (B) is 0.01 to 30 mass %,
• wherein a metal of the metal alkoxide is Al, Fe, In, Hf, Si, Sn, or Zr,
• wherein the molar ratio (AB) of the organosilicon compound (A) to the metal alkoxide (B) is 0.07 to 0.4,
• wherein R1 represents a hydrogen atom, an alkyl group, an alkoxy group, a cycloalkyl group, an alkenyl group, an aromatic hydrocarbon group, or a hydroxyl group,
• R2 represents an alkylene group having 1 to 5 carbon atoms, wherein in a case where a plurality of R2 are present in one hydrophilic-chain-containing group, the plurality of R2 are identical to or different from one another,
• n is an integer of 4 to 12, and
• R3 represents an alkylene group having 1 to 5 carbon atoms.