The embodiment of the invention discloses a method and device for accurate counting of a pedometer. The method comprises the steps of obtaining step calculation characteristics of a terminal, wherein the step calculation characteristics include step number information; determining whether the step number information exceeds a set threshold value; when the step number information exceeds the set threshold value, determining the step number information as effective step number information, and counting the effective step number information. According to the method, the effects that step counting is performed only when a user walks or runs indeed, interference information is effectively eliminated, and step counting results are more accurate can be achieved.