Questionnaires can be distributed directionally. Of course, another method is to publish the questionnaire in the questionnaire network, set relevant questions when designing the questionnaire, and screen according to the needs after collecting the questionnaire.

questionnaire network is a professional online questionnaire survey, examination, evaluation and voting platform, focusing on providing users with powerful and humanized online questionnaire design, data collection, self-defined reports, survey result analysis and other services. Compared with traditional survey methods and other survey websites or systems, Questionnaires have obvious advantages of orientation, quickness, ease of use and low cost, and have been widely used by a large number of enterprises and individuals.