The factors affecting the quality of salted egg by use of vacuum imprenation technology is vacuum condition, soaking time and interaction. Vacuum condition and soaking time are significant. Interaction is non-significant. Lack of fit is non-significant that mean is goodness of fit. Acceptance score of vacuum condition is 8.41. Acceptance score of soaking time is 1.96. And acceptance score of interaction ( center point ) is 0.64. So the most acceptance is vacuum condition