Food with low protein: 1, vegetables, such as melon, cucumber, bitter melon, eggplant, tomatoes, these melon vegetables contain very low protein; 2, vegetables among the leafy vegetables, such as cabbage, leeks, spinach, celery, greens, lettuce, these leafy vegetables in the protein content is relatively low; 3, fruit foods, such as oranges, lemons, grapefruit, oranges, peaches, apples, pears, these fruits in the protein content is very low.