The author analyzes the public character of function of nature protection area (NPA) on the basis of concluding the NPA functions as natural monopoly on public goods,public resource and private goods and product.

It possesses excellent characteristics in food science and just for that its healthcare function has been paid attention by people day by day.

Propolis is one kind of natural active substance collected by honeybees from various plant sources,the chemical ingredients mainly include flavones,polyphenol,enzymes,amino acid,vitamin and mineral,etc,and propolis has a number of healthcare functions,such as antivirus,antioxidation and enhance immunity,etc.

Besides, the study of the compositions of Guizhou Yingbin liquor (Maotai-flavor liquor) revealed that lots of Maillard reaction products in the liquor had healthcare functions.

Research on health functions of modified bamboo-charcoal blended polyester interlaced knitted fabric;

New Research on Vinegar Health Function to Heart-Blood Vessel;

Research progress of lycopene and its health function;

The healthy function of bovine colostrum and the development of the bioactive substances;

Research of the SUNMEN AIR DROP's healthy function;

Production process,healthy functions and physical properties of bamboo-carbon modified polyester fiber are introduced in this paper to serve its product design and processes of its spinning,weaving and dying and finishing.

Evaluation to composing, structure and function for soil and water conservation of vegetation in rehabilitated lands in upper reach of the Yellow River;