Generally there are no side effects of consuming cabbage in moderation, but if you eat too much or are allergic to cabbage, you are prone to abdominal pain, bloating, itching, rashes and other discomforts. Cabbage is a common food with some nutritional value. Cabbage contains 93.2% water, 1.5% protein, 4.6% carbohydrates, 70mg of carotene, 40mg of vitamin C. It can replenish the nutrients contained in the human body, provide energy, and help maintain the normal physiological function of the body. Under normal circumstances, eating cabbage in moderation has no side effects. However, if you eat a large amount of cabbage for a long time, it is easy to cause indigestion, abdominal pain, bloating, nausea, vomiting and other uncomfortable symptoms. In addition, if you are allergic to cabbage, you will be prone to allergic symptoms such as skin itching, rashes, shortness of breath, etc. after eating cabbage. It is recommended to take reasonable meals in daily life to ensure a balanced intake of various nutrients. If you feel unwell, you should go to the hospital in time.