So good questioning techniques, good questioning techniques to determine the course of the investigation can proceed smoothly. Questions, straight to the point style, speculative type, yielded to deeper investigation, seized on the issue, persuasive style. Specifically what kind of questions are asked to select the questioning approach depends on two factors: on the one hand, according to the nature and characteristics of the problem itself. Can be used for simple, common problem straight to the point to ask questions, such as survey the situation of family members can ask directly, generally receive the exact answers; complex and sensitive issue, the questions should be careful, as far as possible euphemism roundabout questioning approach, on the other hand, according to the survey questions. Those introverted, ideological concerns of the survey, the questions should not be too direct, should take motherhood gradual deepening of the questions can be straight to the point; cheerful or higher levels of education survey questions.