The invention relates to a water-repellent anti-contamination hygroscopic perspiratory composite tissue knitted fabric produced in knitting industry and a production method thereof. An outer coil of the knitted fabric is made of yarn treated by water-repellent anti-contamination technology; a coil at a middle connection layer is made of natural fiber yarn with good hygroscopic and water absorbent performance; an inner coil is made of hygroscopic fiber yarn, and the hygroscopic fiber yarn is treated by hydrophilicity, has a microcellular structure and is in a deformed cross section; the fabric tissue is double-rib double-layer composite tissue, and is knitted on a 2+2 needle track double-surface circular knitting machine; and the knitted fabric is subjected to preforming, degreasing and cleaning, softening, dewatering, expanding, drying, forming and the like. The outer layer of the provided knitted fabric has excellent water-repellent anti-contamination function, and the inner layer has excellent hygroscopic perspiratory function; the knitted fabric has soft hand feel, good permeability and elasticity and antistatic performance, and is widely applied to sportswear, summer clothing, work clothes of hotels and oil field, regimentals and the like; three-tissue structure of the knitted fabric is formed by one-step knitting so that the production technology has easiness in control and the product quality is reliable.