Milk tea is a more common drink on the market and is quite popular, but most milk teas contain a lot of sugar, caffeine, fat ingredients, and some may also contain preservatives. A small amount of consumption generally does not have obvious adverse effects, but if consumed in large quantities over a long period of time, it can cause certain hazards to human health: 1. Excitement of nerves: Since most milk tea contains caffeine, tea, etc., in the long-term consumption of large quantities may induce nervous excitement, causing insomnia and affecting the quality of sleep. Also may cause anxiety, tinnitus, palpitations and other neurological symptoms; 2, obesity: because milk tea generally contains a lot of sugar and fat components, so in the long-term consumption of large quantities can lead to higher energy intake, resulting in human obesity; 3, increase the risk of disease: because most milk tea contains more additives, sugar, fat, etc., in the long-term consumption of large quantities, for the age of frail, or for their own For people with chronic diseases such as hypertension, hyperlipidemia and diabetes, it may increase the risk of cardiovascular diseases, metabolic diseases and other diseases, and may aggravate the condition of patients who have chronic diseases, such as elevated blood sugar. Excessive consumption may also cause stomach discomfort, nausea, vomiting, acid reflux and other symptoms. It can also affect the growth and development of children. In addition, because milk tea has a certain diuretic effect, if taken in large quantities for a long time, resulting in excessive sugar intake, may also cause calcium loss, it is recommended to try to control or avoid drinking.