Chrysanthemum has been regarded as a good medicine for eye protection since ancient times. Its taste is sweet and bitter, slightly cold, and it has the effects of clearing liver and improving eyesight, clearing away heat and toxic materials, and dispersing wind and heat. White chrysanthemum tastes sweet, has a good effect of calming the liver and improving eyesight, and is suitable for people with dry eyes; Yellow chrysanthemum is slightly bitter in taste and has strong heat-clearing ability. It is often used to disperse wind and heat. If it gets angry and has oral ulcers, soaking it in water can bring down the fire. Chrysanthemum indicum is mostly used for clearing away heat and toxic materials.

It is generally better to use white chrysanthemum to prevent and treat computer eye diseases. In addition to using chrysanthemum alone, you can also add some medlar to enhance the curative effect of clearing liver and improving eyesight.

Extended data:

The following people should not drink chrysanthemum tea.

Pregnant women: Chrysanthemum tea is cold and sweet, which has an excellent effect of dispelling internal heat. However, pregnant women have low immunity and weak spleen and stomach. Eating chrysanthemum tea is easy to stimulate the stomach and cause symptoms such as abdominal pain and diarrhea, which is not conducive to the healthy growth of the fetus.

Low blood pressure: Because scented tea generally has a little antihypertensive effect, if people with low blood pressure drink chrysanthemum tea, dizziness may occur. People with low blood pressure can't drink chrysanthemum tea.

People with cold constitution: people with cold constitution are afraid of cold, weak in body, weak in spleen and stomach, and have low immunity. Even in summer, they will have symptoms such as cold hands and feet, diarrhea and gastrointestinal discomfort. Cold chrysanthemum tea will only aggravate their symptoms and be harmful to health.

Allergic people: In our real life, some people will be allergic to chrysanthemum tea. If you drink chrysanthemum tea, it will cause allergic phenomena such as skin redness and rash. Therefore, people who are allergic to chrysanthemum tea will have side effects, which is not good for their health.

Diabetics: Diabetics or people with high blood sugar should not drink chrysanthemum tea with sugar, and it is better not to drink more than three flowers at a time. If you really want to drink tea, it is recommended to drink mint tea and rose tea instead, but it should be remembered that everything will turn out to be the opposite, so you must not drink too much.

People with yang deficiency constitution: People with yang deficiency constitution, if they blindly drink chrysanthemum tea with the effect of clearing away heat and purging fire, will easily damage healthy qi, and the more they drink, the weaker they will become, especially those with spleen and stomach deficiency and cold. Drinking more chrysanthemum tea with cool nature will easily cause stomach discomfort and lead to acid regurgitation. It can be seen that it is also selective to use chrysanthemum tea to reduce fire and clear heat, and it cannot be done by one thousand people.