Processing zucchini by steaming, stewing, boiling and other common cooking methods is generally not carcinogenic. Zucchini is a vegetable, rich in vitamins, minerals and other nutrients, generally processed through the common cooking methods can be safely eaten after the zucchini, can be supplemented with nutrients for the body, which contains dietary fiber also helps to laxative, prevention of constipation, moderate consumption of the body is beneficial. However, if the cooking method is not correct, the long-term use of deep-fried, pan-fried, grilled and other ways of processing zucchini, may produce some carcinogenic substances, after consumption, so that the human body to increase the risk of cancer. In addition, zucchini should be eaten in moderation, so as not to eat too much at one time, aggravate the burden on the stomach and intestines, causing bloating, vomiting and other uncomfortable symptoms.