Mumps: First of all, you can’t eat acidic foods, such as vinegar and some acidic fruits, because acidic foods tend to stimulate saliva secretion, and the patient’s pain will increase due to obstructed excretion. The second thing you can’t do is eat hairy foods. Mumps is sensitive to hairy foods, and eating hairy foods can make the enlarged parotid gland congested and edematous, aggravating the painful symptoms. The common hairy items are fish, shrimp, crab, mutton, dog meat, leek. You should also not eat spicy and irritating foods, such as onion, ginger, garlic, chili, mustard, curry, etc. Adult patients should also not eat hard foods, as the enlarged lymph nodes of the parotid gland as well as the submandibular gland are heavier and cause pain when chewing. Hard foods, such as peanut rice, various melon seeds, walnuts and other nuts are not allowed.