1. Quinoa and whole grains. Among the whole grains, quinoa contains the most protein, and whole grains, including whole grain bread, whole grain and barley, are healthy protein for vegetarians.

2. Tofu and bean products, tofu and soy milk, soybean ice cream, soybean yogurt, soybean kernels, soybean cheese, etc.

3. Nuts, nut paste and seeds, such as peanuts, cashews and almonds, all contain protein.

4. protein health products supplement protein with protein powder or some whey protein powder.