Morning glory seed has obvious toxicity, and it is also a "laxative" with a long history and strong efficacy, which is expounded in Compendium of Materia Medica. Modern pharmacological research shows that morning glory contains morning glory glycoside, morning glory acid A, gallic acid, rye hornbeam, wild wheat alkali and other components. , can stimulate the intestines, enhance peristalsis, and has a strong laxative effect. Be sure to take it in strict accordance with the amount, and don't take it too much.

Children play with morning glory seeds, just touch them with their hands and don't eat them, so don't worry, they won't be poisoned. However, the child's stomach is not good, so it is good to give the child more boiled water just in case.