Factors causing soil erosion are in many aspects,the natural factors areonly potencial ones, the excessive disturbance or damages to nature fromhuman being is the principal causes to produce serious soil erosion, whichis thought as the greatest obstacles to the development of the economy inFujian Province. The controlling measures are presented in the paper asfollows: 1, determine a "policy favorable to mass" to stimulate the activityof the mass; to harness mountainous region, and to plant trees or grasses;2, regarding the small watershed as the basic unit to harness in accordancewith local conditions and comprehensively, 3, developing multiple kind ofrural energy; and 4, strengthenning scientific research to raise the level incomprehensive harness.