2. Mint Chenpi water also has the effect of invigorating stomach and promoting digestion. There is also a lot of peppermint oil and cellulose in it, which can enhance the peristalsis of gastrointestinal tract, promote digestion, relieve the symptoms of constipation, and reduce fat and weight. You can often eat mint orange peel water, which is very beneficial to human health, but it is not recommended for people who are afraid of cold and weak.