1999年3月九届全国人大二次会议审议通过了宪法修正案规定“农村集体经济组织实行家庭承包经营为基础,统分结合的双层经营体制。”从而进一步明确了家庭承包经营体制的法律依据,有利于保障农民的自主权。为保护农民的土地承包经营权,中央政策规定,在第一轮土地承包到期后,土地承包期再延长30年。延长土地承包期后,乡镇人民政府农业承包合同管理部门 In March 1999, the Second Session of the Ninth National People’s Congress examined and passed the constitutional amendment that stipulates that “the rural collective economic organizations shall implement the household contract management system based on the unified management of the dual management system.” This further clarifies the laws of the household contract management system Basis is conducive to safeguarding the autonomy of peasants. In order to protect peasants’ rights to contract and manage land, the central government has stipulated that the land contract should be extended for another 30 years after the expiration of the first round of land contracts. After extending the land contract period, the township people’s government agricultural contract management department