The report applied some other goverment research reports, organisation's research article, interview and telephone interview. It can shows the problem of the organisation or system after the disaster. Processing analysation and summary, it can help the organisation or system to promote and develop. The inadequate reponse for Haiti's disasters shows faliure of the aid system. However, the report shows the entire system cannot be condemn by a single case, and also there are two disasters happened in Haiti. The example of similar situation of facing the tsunami in Sri Lanka before the cluster system is built, in contrast, the cluster approach is more flexible as an informal selection mechanism during the Haiti earthquake response. The report have technical professionals to offer more reliable and more reference value.