To verify whether the Suggestopedia will contribute to teaching foreign languages in colleges, an experiment on teaching of foreign languages reading on the guidance of Suggestopedia has been completed. Before the experiment analysis, a survey with questionnaire has been carried out among the sample classes to investigate their foreign languages reading. While collecting the data and analyzing the result of the survey, the teaching experiment began. The experiment has last for one year and the sample was followed until its deadline. And one class was selected for the prepared test, another class chosen for comparison, to make sure that the language levels of the two classes are same before the test and keep equal. Judging from the result of the experiment, the validity of the Suggestopedia was proved. In other word, due to the analysis of the experiment, so is the fact that Suggestopedia is of benefit to teaching college foreign languages. In this paper, the main effect and application of Suggestopedia in foreign language teaching through experimental method and comparative research analysis method is got.