First of all, the choice of tea is very important, cooking tea eggs, be sure to use fermented or semi-fermented tea, fermented tea in the process of fermentation, tea in the chemical substances contained in the tea has undergone a lot of transformation, the tea sex has gradually become more moderate, on the stomach and intestines do not have too much stimulation. The unfermented tea, although more to retain the tea inherent natural substances, these natural substances have anti-inflammatory, antiseptic, anti-aging and other effects, but due to the lack of fermentation, the tea polyphenol content of tea is much higher than that of other teas, astringent is also relatively strong. Compared with fermented tea, has a certain degree of irritation, easy to stimulate the stomach, tea, black tea on the fermented tea, and green tea is not fermented tea, green tea in the the tea alkali will also be combined with iron in the egg to produce a certain degree of gastric irritation of the material, often eat the gastric mucosa and intestinal tract is unfavorable, in addition, with green tea tea eggs will also be more and more hard to cook, affecting the taste.