1. Effective ingredients, such as antipyretic, expectorant, and volatile oil of onion, can stimulate sweat glands of the body and achieve sweating and heat dissipation; Scallion oil stimulates the upper respiratory tract, making it easy to cough up phlegm. Onion can clear away heat, detoxify and resolve phlegm, which has a good effect on relieving respiratory diseases.

2. Promote digestion and absorption. Onion can also stimulate the secretion of digestive juice, strengthen the spleen and stimulate appetite.

3. Antibacterial and antiviral. Allicin contained in onion has obvious effect of resisting bacteria and viruses, especially for dysentery bacillus and dermatophytes. Onion can have antibacterial and antiviral effects, and it also has antibacterial effect.

4. Anti-cancer. Pectin contained in shallots can obviously reduce the occurrence of colon cancer and has anti-cancer effect. Allicin in shallots can also inhibit the growth of cancer cells. Eating shallots regularly can prevent the occurrence of cancer and improve resistance.