1, leek: As the saying goes, "leek smells good in spring and stinks in summer." In spring, the climate is suddenly cold and warm, so it is necessary to maintain the yang, and leek is warm and most suitable for human yang.

2. Garlic: It has strong bactericidal power and has obvious curative effect on colds, diarrhea, gastroenteritis and tonsillitis caused by bacteria. According to the latest research, garlic also has a certain brain-strengthening effect, because garlic can enhance the effect of vitamin B 1 and resist the harm of radioactive substances to human body.

3. Spinach: The carotene content of spinach is equivalent to that of carrots. Chinese medicine believes that spinach has the functions of nourishing blood, stopping bleeding and moistening dryness, and has certain curative effects on hematochezia, scurvy, thirst quenching, constipation, hypertension, intestinal tuberculosis, hemorrhoids and other diseases.