The invention discloses a hydrophilic epoxy resin binder and a preparation method and an application thereof. The hydrophilic epoxy resin binder consists of the following components according to parts by weight: bisphenol A type epoxy resin, a surface active agent Span, a surface active agent Tween and a catalyst, wherein the catalyst can be tetraethyl ammonium chloride, butyl triphenyl phosphonium bromide, benzyl triethyl ammonium bromide, benzyl triethyl ammonium chloride, 2-methyl imidazole or any combination thereof; the bisphenol A type epoxy resin can be bisphenol A type epoxy resin E-44, E-42, E-35, E-31, E-20, E-14, E-12, E-06, E-03 or any combination thereof; the surface active agent Span can be S-20, S-40, S-60, S-80, S-85 or any combination thereof; and the surface active agent Tween can be T-20, T-40, T-60, T-80, T-85 or any combination thereof. The hydrophilic epoxy resin binder is applied in the preparation process of water permeable pavement materials and high-strength cement products.