Onions and shrimp can be eaten together. Although vitamin C contained in onion and phosphorus contained in shrimp will produce bad substances under chemical reaction conditions, they will only produce toxic substances when they are rich and relatively pure, and the amount of nutrients contained in food is not much, so it is ok to eat them together without direct contact. Onions are warm and sweet. Has expectorant, diuretic, stomach invigorating, intestine moistening, detoxicating, and insecticidal effects. Onion extract also has bactericidal effect, and can improve gastrointestinal tension and increase digestive tract secretion. The nutritional value of shrimp is extremely high, and the rich nutritional value can enhance human immunity and sexual function.