Eating too much five-spice melon seeds is harmful because some five-spice multi-flavored melon seeds are processed and made by adding spices, salt, flavorings, saccharin and many other flavorings. Eating too much will cause harm to the human body. Some of the spices contain the chemical safrole, which can cause liver lesions if consumed in excess, and safrole is classified as a class 2B carcinogen, which means that it can cause cancer in animals. Some of the five spice melon seeds in saccharin itself does not have any nutritional value to the human body, if consumed in excess, may induce bladder disease. On the market, most of the five spice melon seeds in the salt content is high, long-term consumption of large quantities of five spice melon seeds and other high-salt diet, may also induce elevated blood pressure. Consuming large quantities of five-spice melon seeds may also cause gastrointestinal discomfort such as bloating and indigestion. People with high blood pressure and poor gastrointestinal digestion are advised to reduce the consumption of five spice melon seeds and try to eat light and easy to digest food.