二手房因其房价较低，受到收入不高但又急需解决住房的市民的欢迎。但“二手房”所涉及的情况，比买新房更为复杂，必须事先搞明。笔者认为，至少要把好以下“六关”： 　　一要审定房屋产权的完整性、可靠性。看有没有抵押 (包括私下抵押 )；注意产权证上的房产是否与卖房人是 Second-hand housing due to their lower prices, by the income is not high, but urgent need to solve the public housing welcome. However, “second-hand housing” involved in the situation than buying new houses more complex, we must first figure out. The author believes that at least to the following “six off”: First, to review the integrity of property rights, reliability. See if there is any mortgage (including private mortgage); Note property on the property whether the seller is with the seller