There is no harm, but don't drink it if it is menstrual period or when there is little water in the body, because it has the effect of sweating.

1. Tea is a healthy drink, but don't overdo it. Never use tea instead of water. Just drink tea twice a day and soak it twice each time. Time can be arranged in the morning and afternoon, and don't drink tea at night to affect sleep. Don't drink a lot of tea immediately after meals. You can drink a little tea before meals, but don't drink too much. Generally, you can drink tea an hour after a meal. Those who have the habit of taking a nap can get up and drink tea to refresh themselves.

2. The main principle of drinking ginger black tea is to raise body temperature, so as to speed up metabolism and achieve the purpose of losing weight. I don't know where you look at the folk prescription, which is a bit unscientific. Black tea is fermented tea, which is mild in nature and suitable for people with cold body. Ginger is warm, which has the functions of dispelling wind and cold, warming stomach and stopping vomiting, warming lung and relieving cough.

3. Ginger black tea has the function of accelerating body metabolism and burning body fat. It has the effect of losing weight. However, there are also some precautions. First of all, this kind of tea is warm and suitable for people with cold hands and feet in winter. People who are hot or easy to get angry should not drink it. Then, don't put too much ginger. Eating too much ginger at a time can cause stomach upset. Also, strong tea is better than weak tea to lose weight, but women should not drink strong tea during menstruation, and constipation friends should not drink strong tea. To say that the best tea to lose weight is Pu 'er tea, you can also buy cooked tea and chrysanthemum together to soak and drink.