To explore the causes of neglect of science popularization writing, it used the questionnaire (including attitudes in colleges and universities towards science popularization writing) to investigate 126 teachers in 17 departments of Henan University randomly and a semi-structured interview of some teachers. Results show: (1) most of the teachers fully affirmed social public welfare of science popularization work, and thought that university teachers had the duty to do it, but they had different opinions and attitudes towards the resistance of science popularization work; most of the teachers thought that countries should make some policies to encourage college teachers to participate in; (2) college teachers had a conservative attitude toward science popularization writing, lacking understanding of scientific concepts, in addition, the main reason was internal, including social contribution, interests, and a sense of accomplishment.