The invention discloses a knitting method of an automatic broom knitting machine. The knitting method of the automatic broom knitting machine relates to the technical field of spinning, and is characterized in that the knitting machine is adopted for knitting a broom; at least one row of through holes is formed in a starting point of a walking route of a shuttle needle; the shuttle needle carriesa thread to penetrate through the through holes; crochet hooks under the through holes crochet the thread to tie knots. Compared with the prior art, according to the knitting method, at least two rowsof through holes are formed in the starting point of the walking route of the shuttle needle, the shuttle needle walks up and down in the two through holes, the crochet hooks under the through holescrochet the thread of the shuttle needle, the thread is tied with knots, the broom is then knitted, and after knitting, no manual knot tying is needed, so that the method is convenient and fast.