The rapid and scale development of source rock oil & gas is an important strategic option for the transformation of energy structure in China. Continental shale oil & gas is the most potential component type of source rock oil & gas in China, and the most important breakthrough target of “exploring petroleum into source kitchen” in the future. For the first time this paper puts forward the riewpoint that the development of Jurassic oil and gas in Sichuan Basin should be transformed from conventional structure- fractured oil and tight limestone and sandstone oil to porous shale oil & gas as soon as possible. Four new developments of shale oil & gas in Daanzhai Member are emphatically expounded. (1) The total oil production of four sets of organic- rich shale in Jurassic system is 245×108t, the total oil resources are 172×108t, and there are also considerable natural gas resources, and 67% of the oil and gas resources are concentrated in Daanzhai Member. (2) The second sub- member of Daanzhai Formation is the sweet section of Jurassic shale oil & gas. The thickness of black shale is generally 20~80 m, the average TOC value is more than 2%, the kerogen type is Ⅱ1~Ⅱ2, the Ro is mainly 1. 1%~1. 4%, is in the light oil- condensate oil window, the porosity of shale reservoir is generally 4%~6%, the shale fracture is developed, the brittle mineral content is generally more than 50%, the pressure coefficient is 1.2~1.8, and the residual hydrocarbon amount is more than 100~200 mg/g·TOC, with light oil and shallow burial depth, has geological engineering conditions comparable to North American shale oil and gas. (3) Three core parameters (Ro, organic- rich shale thickness and burial depth) for evaluation of shale oil & gas sweet area were optimized. The sweet area of shale oil in the second sub- member of Daanzhai Member was mainly distributed in the north- central part of the basin, with shale thickness of 20~50 m and area of about 2×104km2. (4) Three suggestions are put forward, including speeding up the implementation of risk target exploration and development testing by horizontal drilling and stimulated reservoir volumn fracking, strengthening the resource evaluation of the whole strata and speeding up the preparation of pilot test technical schemes, to promote the breakthrough discovery of oil and gas in Jurassic porous shale. The new understanding of Jurassic continental shale oil & gas in Sichuan Basin will provide an important theoretical basis for truly opening up the new journey of Jurassic source rock oil & gas “exploring petroleum into source kitchen ” and large- scale development.