A material non-adhesive to a biological substance containing: a polymer compound (A) which includes a repeating unit derived from a sulfobetaine monomer represented by Formula (I) or (II).In the formulae, R1 represents a methyl group, an ethyl group, an n-propyl group, or an isopropyl group, a plurality of R1's may be the same as or different from each other.R2 represents a hydrogen atom or a methyl group.n represents an integer of 2 to 4.L represents a linear or branched alkylene group having 3 or 4 carbon atoms.
