A gas well site is located in a fill platform, the landslide disaster occurred for 3 times, because the soil filling was not consolidated when the construction was started. The treatment solutions for 3 landslides were ground drainage grouting reinforcement anti-slide pile, the anti-slide pile retaining wall reinforcement and micro combination anti-slide pile Based on the characteristics of landslide in the natural gas well fill, the treatment engineering and the effects are analyzed, and the action effects of micro combination anti-slide pile technology used in this landslide treatment is especially analyzed.