In this paper,we use image processing and texture analysis method to caculate several parameters which describe the fabrics wash and wear characteristic and use fuzzy priority similiarity comparison method to decide the grade of fabrics wash and wear characteristic synthetically ,so as to avoiding the affect of traditional subjective method.

Fixing attention on preference sort,the math model is constructed to decide the best flight route of UAV by decision method of fuzzy semblable preference.

Cupressus lusitanica in 12 counties of Dali prefecture as alternative samples are compared with Cupressus lusitanica in Kunming as fixed sample by vague comparative method of similarity priority.

Aiming at the tender evaluation of construction projects,fuzzy analogy preferred ratio was introduced and the tender evaluation model was established based on fuzzy analogy preferred ratio,which was then used in the assessment evaluation study.

According to the incompleteness and uncertainty of information of sewage treatment project in small town,the decision model of the sewage treatment project in small town is built based on fuzzy analogy preferred ratio.