Free range eggs, also known as stupid egg, earth egg and grass egg. It refers to the eggs laid by chickens that are scattered on the hillside and dig freely for food and eat insects. These chickens eat some insects, grass and leftovers. In order to make them lay more eggs, they will also be fed some food, such as corn and bran, because their food lacks many ingredients that must be added to special chicken feed, such as bone meal and hormones. Due to the above reasons, its egg white is thick and translucent, with high nutritional value.