The invention provides a light-proof colorful oil material capable of avoiding wall attachment. The oil material is prepared from the following ingredients in percentage by weight: 0.5-2wt% of vinyl bistearic amide, 5-10wt% of colleseed oil, 5-15% of a pigment, 9-18wt% of paraffin, 0.8-1.5wt% of barium stearate, 0.8-2wt% of calcium stearate, 1-2.3wt% of an ethylene-vinyl acetate copolymer and thebalance of water. A proper quantity of ingredients is arranged to realize a purpose that the oil material is free from wall attachment and is light-proof, and in addition, the pigment is placed to realize a purpose that the oil material has different colors so as to meet the requirements of clients. Meanwhile, the colorful oil material provided by the invention can be used in the interlayer of double-layer glass. Through the glass overturning of the double-layer glass, the interlayer of the double-layer glass is full of the oil materials so as to perform a function of blocking a window to serve as a curtain, a trouble of suspending an existing curtain can be omitted, and in addition, the curtain does not need to be cleaned so as to be very convenient and easy in operation.