This is a dataset including soil phosphorus (p) forms, carbon (C) and nitrogen (N) concentration in soil, microbial biomass P, microbial community related to P cycling, plant leaf [C], [N], [P] and [Mn] after long-term warming (2010-2018) in an alpine meadow on the Qinghai-Tibetan Plateau. The paper using this dataset has been accepted for publication in Global Change Biology on 28 September, 2021.