Background: The aim of this paper is to investigate the role and importance of ethical standards in scientific research. In recent decades, science has been linked with economy which causes some concerns for scientists. Because based on this linkage, scientific research is governed by economic interests. In reaction to this concerns, scientific associations and universities advocate examination and teaching ethical issues and seek to enter  ethical lessens in courses and research training.
Most scholars like to explore truths and influence reformation and improvement human conditions and protection of natural environment. However, some scholars may seek to gain economic interests and social status. Therefore, some factors may interfere in their research results and applications and caused them invalid. Those researches that use funds of government or privacy sector may face with the financial and institutional pressures to produce certain results, and this may lead to be ignored the research integrity and caused error and bias in the research. 
Methods: This research uses documentary method as one of the conventional method in scientific research. Based on the aim of the study, texts and perspectives were examined, and then collected data and information were analyzed.
Conclusion: Doing scientific research needs fund. This sometimes faces researchers with financial and institutional pressures to produce certain results. These pressures may lead to error and bias and ignore the ethical standards in the scientific research. So, each scientific discipline should provide a set of ethical rules to prevent such as problems.