A method for manufacturing a patterned substrate includes the steps of: ejecting ink to a plurality of ink ejection portions arranged in a row by using a head having a plurality of ink ejecting means corresponding to the plurality of ink ejection portions; and drying the ejected ink. In the ink ejection step, ink is ejected so that a solid content weight of the ink in each ink ejection portion is different between an inner part and an end part of the plurality of ink ejection portions arranged in a row.