Abstract：Web-research is one of significantly creative methods in modern psychology.Its advantages embody: the overcome of space-time boundary,convenience of data analysis,avoidance of researcher effect and easy to repeated test.At the same time,there are some disadvantages,such as security,lack of explanation,limited research topics and lack of research norms.For the internal and external validity,researchers need to explore some methodology problems,for example,technology preparation,recruitment of samples,examination beforeward,dropout,multiple submissions and timing.
