There is provided a method of producing an organic EL light-emitting device which enables prevention of crosstalk between adjacent pixels of the same color. Provided is a method of producing an organic EL light-emitting device which has banks provided in a row direction and in a column direction, and a plurality of organic EL light-emitting portions isolated from each other by the banks. The method includes the steps of forming banks such that a height of a bank portion of a row direction and a height of a bank portion of a column direction are different from each other; and applying an organic EL material in a continuous manner along the bank portion which is higher of the bank portion of the row direction and the bank portion of the column direction, between the banks of the higher bank portion.