1, the purple belongs to the cold food, if the human body one-time eating too much purple, will be on the gastrointestinal mucosa caused some stimulation, easy to cause diarrhea, bloating, abdominal pain, vomiting and other adverse reactions, for the gastrointestinal weakness of the crowd after eating too much purple will be further aggravated by the discomfort of the body symptoms.

2, second, the purple cabbage contains more purine substances, if the patient himself suffers from gout, hyperuricemia and other diseases, the body intake of a large number of purine will cause acute attacks of gout, is not conducive to the patient's control of the disease, so the patient usually pay attention to the dietary intake.