Objective   To investigate the sleep quality and it's relationship with the state of life quality in military personnel in high altitude area.

  Methods   490 military personnel in high altitude area were assessed by PSQIand WHOQOLBREF.

  Results   The total mean score of PSQI of military personnel in high altitude area was 7.14±3.42, and 14.8 percent of them had the problems of sleep; theirproblems of sleep were sleep latency, daytime dysfunction, and subjective sleep quality, the percentages more than 2 score were 56.5%, 54.8% and 36.9%.There were significant differences in the scores of all domains in life quality of military personnel in high altitude area among three groups of different sleep quality(P < 0.001).The scores of sleep quality had significant correlation with the scores of all domains in life quality of military personnel in high altitude area.

  Conclusion   The sleep quality of military personnel in high altitude area was not satisfacted.It was an effective method of improving theirstatus of life quality by amelio rating theirsleep quality.