Eating mustard will make people cry and have a runny nose, because it tastes pungent. The main component of mustard choking nose is isothiocyanate, which can not only prevent tooth decay, but also prevent cancer, thrombosis and asthma. At the same time, it also has the therapeutic effects of sweating, diuresis, detoxification and clearing blood. It is also helpful to stimulate appetite and promote blood circulation.