The causes that bring on the unhealthy tendencies are : the contradiction between the sex precocity and to development of sex psychology is the essential factor ;

• 造成陇南地区青少年学生不良性道德状况的原因主要表现在：性生理发育超前与性心理发育的相对滞后之间的矛盾是形成这一状况的根本原因；