Abstract: New compound microbial preparationAiMiLe（EM bacterial fertilizer） be used in spraying the potato seeding seedling leaf and watering the root of potato seedling.Durining growth and development stages of crop Morphological and physiological aspects of the testing was done.Mature period test output was done.Some have been selected from the crops out as an experimental material to have conducted experimental to study indoor.The result is aimeilei Manure has improved very significantly the effectiveness of potato production and its output is mainly due to the growth and development of potato plants,various physiological indicators;Yield traits with significant results.