酸化是土壤退化的一个重要方面。近年来，随着工业化的持续推进、人类活动的频繁干扰及其他各种因素的影响，土壤酸化问题日渐突出。综述了土壤酸化的现状、土壤酸化的机理和影响因素、土壤酸化对土壤质量的影响及酸化土壤的主要改良措施等方面的研究进展，分析了土壤酸化研究存在的问题，指出了相关研究方向。

Acidification is one of important factors of soil degradation. In recent years, along with continuously promoting of industrialization, frequent interference of human being and effects of others factors, the problem of soil acidification was getting obvious day by day. In this article, research progress on the status of soil acidification, mechanism and influence factors of soil acidification, effects of soil acidification on soil quality and agronomic modified measures of soil acidification were summarized, the existed problems on research on soil acidification were analyzed, and the related research directions were pointed out.