Abstract: A sliding rail of a sliding closure mobile phone includes a sliding rail fixing part fixed on the body of the mobile phone, a sliding rail sliding strip, and a sliding rail moving part fixed connected on the sliding closure of the mobile phone. The sliding rail sliding strip is set between the sliding rail fixing part and the sliding rail moving part for noise cancelling and sliding. Several lug bosses are set at the coupling position of the sliding rail sliding strip and the sliding rail fixing part for adapting to and holding the sliding rail fixing part.