There is provided a method for knitting a shoe upper that can allow the reinforcement degree of the shoe upper to be changed with a small number of yarn feeders.A method for knitting a shoe upper (1) including an instep cover section (3) that covers a portion on an instep side of a wearer and a sole cover section (2) that covers a sole of the wearer is provided. The instep cover section (3) and the sole cover section (2) are three-dimensionally knitted in a seamless manner; and in the knitting process, at least one base section (10) configuring a part of the shoe upper (1) is knitted using a base knitting yarn containing a non-thermal adhesive yarn and a thermal adhesive yarn, and a reinforcement knitting yarn containing a thermal adhesive yarn is interwoven in the base section (10) to reinforce the base section (10). In this case, the number of knitting with the reinforcement knitting yarn with respect to the base section (10) is changed.