Industry experts believe that plastic Jinan food bags can be used safely, but do not use color Jinan bags to package food. According to reports, the current plastic polyethylene, polypropylene, polyester, polystyrene used in food packaging, its health function qualified, used in food packaging is safe. But consumers can not distinguish between food packaging bags and non food packaging bags, so some unqualified packaging bags are used in food packaging, which seriously endanger people's health.

包裝袋專家特別建議，用包裝袋包裝熟食、小吃和其他直接食品時，不要使用彩色包裝袋。包裝袋染色顏料具有很強的滲透性和揮發性，遇油、遇熱會滲出。人們認為，有機染料，也含有芳香烴，對健康有一定的影響。此外，許多彩色的包裝袋是由回收塑料制成的。由于再生塑料中含有許多雜質，制造商不得不添加顏料來遮蓋它們。但是一些用再生塑料制成的包裝袋也是白色的。

Packaging experts especially suggest that when using packaging bags to package cooked food, snacks and other direct food, do not use color packaging bags. Package dyeing pigment has strong permeability and volatility, and will seep out in case of oil and heat. It is believed that organic dyes, which also contain aromatic hydrocarbons, have certain effects on health. In addition, many colorful bags are made of recycled plastic. Because recycled plastics contain many impurities, manufacturers have to add pigments to cover them. But some bags made of recycled plastic are also white.

專家亦指出，并沒有特別有用的方法來區分食物膠袋，但有一點是肯定的，非正規制造商生產并在街頭攤檔出售的塑膠袋，不應用作食物包裝。此外，包裝袋不能用來裝食物，假設它們有一種特殊的氣味。

Experts also pointed out that there is no particularly useful way to distinguish food plastic bags, but one thing is certain that plastic bags produced by informal manufacturers and sold in street stalls should not be used as food packaging. In addition, bags can not be used to hold food, assuming that they have a special smell.