T he relations between the classific ation of mental disorders and the competence to defense sexual invasion in these cases were analyzed.

• 结果性防卫能力丧失最常见于年轻的衰退期青春型精神分裂症病人、中度以上精神发育迟滞病人、首次发病的年轻轻型躁狂症病人，而其他类型的精神病人不容易发生性防卫能力丧失。