Green tomatoes are green tomatoes that are not ripe, and people often eat tomatoes in their daily lives to improve the taste of their dishes. Tomatoes are rich in nutrients. Ripe tomatoes can be eaten. However, green tomatoes contain the alkalinity of lobelia in the form of needle-like crystals, which are very stable to alkaline, but can be hydrolyzed by acid. Therefore, no ripe green tomatoes eat often feel uncomfortable, light mouth feel bitter, serious when there will be poisoning phenomenon, so do not recommend eating green tomatoes.