The moisture status and its meaning of latosol under Eucalyptus in Leizhou peninsula was characterized by lower in stored water content, only being 150 mm in 0-100 cm soil layer|Controlled by rainfall distribution, the stored water presented clear annual and seasonable changes, being longer in dry season|Even in rain season, very wide range in change of the stored water content within a short time could bring out, which means that the latosol under Eucalyptus is quite easy to suffer from drought. More attention should be paid to relieving the effect of water stress on Eucalyptus growth.