An image forming method including forming an image using a recording medium, an ink composition and a liquid composition, wherein the recording medium includes a base paper, a first layer containing a binder, and a second layer containing a white pigment, the first and second layers being laid in this order on the base paper, and wherein the base paper on which the first layer has been formed has a Cobb-water absorption degree of 5.0 g/m2 or less as measured according to JIS P8140 with a contact time of 15 sec, the base paper on which the first and second layers have been formed has a water absorption amount of 2 mL/m2 to 8 mL/m2 as measured by the Bristow method with a contact time being 0.5 sec, the ink composition contains a pigment and water, and the liquid composition contains any one of polyvalent metal salt and cationic polymer.