[Objectives]  To identify the best artificial diet for raising Chrysoperla nipponensis (Okamoto) on a large scale. [Methods]  We compared the suitability of the following diets; beef and cow liver, pork and pig liver, silkworm chrysalis, soy flour and wheat germ powder. In addition, we also measured the effect of sucrose on the growth and development of larvae. [Results]  Beef and cow liver was the most suitable diet for larvae. Furthermore, the survival rate of first instar larvae was almost 100% when they were provided with sugarcane sugar water compared to just 60% when they were not. [Conclusion]  The results provide useful information for the efficient large-scale breeding of C. nipponensis for release.