无效婚姻制度在立法上存在一些缺陷,立法应该增加禁止直系姻亲结婚维护伦理道德和避免亲属关系的混乱,赋予当事人对婚姻效力判决的上诉权保障无效婚姻当事人的诉讼程序权利,区分不同情形下无效婚姻的效力保护善意当事人的利益,规定无效婚姻善意当事人的损害赔偿请求权弥补其遭受的损失。 There are some shortcomings in the legislation of invalid marriage system. Legislation should increase the prohibition of direct marriage of in-laws, maintain the ethics and avoid the confusion of kinship, and give the parties the right to appeal the verdict of the validity of marriage, guarantee the litigant rights of the invalid marriage parties, and distinguish between different situations The effect of the marriage protects the interests of the bona fide parties and provides for the right to damages of the bona fide party to make up for the loss suffered.