【裁判要旨】定金不能超过主合同标的额20%的法律规定,是为了避免定金罚则过于严厉。在遇到当事人约定的定金数额高于合同价款20%时,不能当然否定超过20%部分的约束力,应注意带有预付款性质的定金仍应当履行,但由于定金属实践性合同,他方不能要求定金履行方强制交付定金,其只能以行使履行抗辩权的形式来保护自己。在适用定金罚 The purpose of the referee The deposit can not exceed the main contract 20% of the amount of legal provisions in order to avoid the penalty penalty is too severe. When the amount of the contract agreed upon by the parties exceeds 20% of the contract price, it can not of course negate the binding of more than 20%. It should be noted that the deposit with the nature of prepayment should still be performed, but due to the practical contract of fixed deposit, the other party can not Requiring the depository to enforce the mandatory delivery of the deposit, which can only protect itself in the exercise of the performance of the right of defense. In the application of deposit penalty