Abstract: Pork quality is evaluated by the degree of pH value, carnation, water holding capacity, the content of IMF and so on, is influenced by many factors, such as genetics, nutrition and feeding, and the slaughter program. And nutritional level is one of the most important factor. The study of local variety pork quality nutritional manipulation in China is rather weak, the effect of nutritive substances and interaction among nutritive substances to genetic expression of pork quality is very litter. In this article，the effects of energy，protein and Lys，vitamins，minerals on pork quality are explained，furthermore, the prospect of how to increase the local variety pork quality in China by nutritional manipulation.

Key words: pig; pork quality; nutritional manipulation