Abstract: The effects of vacuum infiltration treatment on leaf surface structure were studied with scanning eletronic microscope in Brassica campestris.The results showed that there are emerged anomocytic water dipped scars in the mature leaves and completely water dipped in the younger leaves, the exomorphdogy showed dramatic change when the time of vacuum infiltration lasted for 1min+30 s.The stomatas in the non water dipped parts keep closed or semiclosed and shapes from long shuttle form to long and thin;the ...