Oil painting walnut oil and triple oil ratio mixing are one to one-half, 1 to 1 to 1. According to the query related to public information information shows that the oil painting pigment dilution process can be mixed with mature walnut oil, so that the picture is dry, adjust the ratio of one to one-half. Triad oil is the color mixing oil, varnish oil, turpentine, three kinds of oil by 1 to 1 to 1 ratio modulation. The three combined oils are mixed with the pigments when painting oil paintings to give the picture a glossy finish.