Abstract: Varieties of growth regulators used for cucumber increased in recent years.In order to verify the effect on increasing fruit setting rate and yield of growth regulators used for vegetable cultivation，select the best growth regulator，improve commodity traits and yield of cucumber，spraying comparison experiment of autumn cucumber using 5 kinds of growth regulators from market was made.Experiment results showed that effects on vegetable growth and development of different growth regulators were different.So growth regulators should be carefully selected.