Housing levying appraisal is an important work in current nationwide housing levying process.However,because it is difficult to sign the contract timely,to look over the field successfully,to collect the basic data completely,to implement on-site interpretation effectively and to collect appraisal fees on time,housing levying appraisal is in a relatively awkward position.So appraisal agencies should seek a breakthrough in the support and cooperation of house expropriation departments and relevant departments,and reply effectively to the difficulty and problem in practice for ensuring the housing levy work smoothly and maintaining social stability and development.