It is best not to drink cola because cola itself is a carbonated beverage and has some caffeine, so it is irritating to the pharyngeal mucosa. For tonsillitis it is advisable to eat a light diet, more vitamin C-rich foods, more fresh green vegetables and fruits, and avoid spicy and stimulating, greasy and fried foods. For tonsillitis, you can also use honeysuckle, chrysanthemum, fat sea, rooibos, dandelion and other infusions to drink water, all help the inflammation to subside. If the inflammation is more serious, you need to take anti-inflammatory drugs to treat, such as oral amoxicillin or cefixime, you can also take intravenous infusion therapy, the symptoms will be better faster.