The purposes of this study are to analyze actual conditions of sentences used in scientific research papers, and to search for viable solutions. Through analytical research, it is confirmed that scientific papers contain great deal of grammar errors such as unsuitable words, unnecessary omitting, errors of sentences component co-occurrence, and wrong parallelism. In addition, the majority of writers of scientific papers are not using proper sentences connectives and postposition particles. Also, in case of grammatical sentence rules, spacing and orthography are especially mis-used. Therefore, the author could ascertained that writers of scientific research papers are short of grammatical knowledge and clauses of grammatical sentence rules. Moreover, the author found the writers lack in their ability to make precise and effective sentences with their idea. To cope with these problems, proper grammar and writing courses should be conducted in the level of middle school and high school education. Furthermore, universities are required to open various composition classes and establish writing center for continual tutelage. Lastly, Scientific Research society should change their minds of Korean sentence writing, and should include clauses of proper sentences grammar into evaluation of papers. Also, it is necessary for scientific Research society to host essay-writing workshops, or to organize the writing deliberation advisory committee.