款约是侗族的主要社会规范,也是侗族社会的重要法律。侗族地区立法形式从不成文形式走向成文形式,使得款约的表现形式呈现“口诵法”、“石碑法”等多种形式。不同款约的表现形式是适应侗族经济社会的一种结果,从款约不同表现形式背后是不同的立法成本,同时也可以从中窥探民族习惯法变迁的历史。 Style is the main social norms Dong, Dong society is also an important law. The legislative form of the Dong region went from an unwritten form to a written form, making the performance forms of the contract appear in many forms such as “oral recitation method” and “stepping stone method”. The forms of different contracts are a result of adaptation to Dong’s economy and society. Behind the different forms of expression are different legislative costs, and the history of the changes of national customary law can also be explored.