Drinking Longjing tea has the following benefits:

1. Antioxidant: Longjing tea is rich in tea polyphenols, including catechins and flavanones, which have strong antioxidant properties. Antioxidant, protects cells from free radical damage.

2. Improve digestion: Longjing tea helps promote gastrointestinal motility, relieve gastrointestinal discomfort, and has a certain effect on the prevention and treatment of gastrointestinal diseases.

3. Improve immunity: Longjing tea contains a variety of biologically active substances that are beneficial to the human body, which can enhance the body's immune function and improve its ability to resist diseases.

4. Promote fat metabolism: Longjing tea can accelerate fat metabolism, reduce body fat content, help lose weight and prevent obesity.

5. Calm and soothe the nerves: The ‘tea aroma’ component in Longjing tea has a sedative effect on the human body, which can help relax the body and mind and soothe the mood.

In addition, Longjing tea can also help prevent coronary heart disease, reduce oral bacteria, protect eyesight, etc.

However, excessive drinking of Longjing tea or poor quality may also have the following disadvantages:

1. It can cause caffeine poisoning, headaches, arrhythmia and other phenomena.

2. Adverse reactions: such as allergic reactions, nausea, vomiting, etc.

3. The carcinogens in Longjing tea have also increased. This is because chemicals such as nicotine may be used during processing, which may pose a threat to the human body without strict supervision.

Therefore, when drinking Longjing tea, you still need to do what you can and choose guaranteed Longjing tea for drinking.