1、PS整個圖像放大顯示快捷鍵是：Ctrl+，PS整個圖像縮小顯示快捷鍵是：Ctrl-。
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2、ALT+鼠標滑輪上下，也可以放大縮小圖像。
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3、按下Z鍵，可以調出“縮放工具”，Z+鼠標左鍵,放大圖像。雙擊“縮放工具”，圖像以100%顯示。雙擊“抓手工具”或者快捷鍵：Ctrl+，圖像以最合適滿畫布完整比例顯示。
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