Effects of various 1-methylcyclopropene(1-MCP) treatment durationon fruit quality, respiration intensity, ethylene release rate, cell membrane permeability, MDA content and fruit texture (including pericarp break force, pericarp break distance, pericarp toughness, pericarp brittleness and mean flesh firmness) of Fuji apple were studied. The results showed that 1-MCP treatment significantly reduced respiration intensity and ethylene release rate, and maintained storage quality of fruit, but the beneficial effect of 1-MCP treatment decreased with prolonged treatment period. The storage effect of 1-MCP treatment on 0, 7 and 14 days after harvest were obviously better than 21 days. Thus, 1-MCP treatment should be applied within two weeks to maintain the good storage quality of apple fruit. 