You can drink mash after surgery if you have passed gas, but it is not recommended to consume too much.
Mash is a semi-liquid food made by fermenting glutinous rice, water, and sweet liquor quarts. Mash itself does not have much nutritional value, and due to the alcohol content, some people may experience food allergy symptoms such as skin bumps, itchy skin and skin rashes.
General anesthesia surgery after surgery is routinely fasting state, can not eat and drink, wait until after the operation ventilation, you can eat semi-liquid such as mash, but the mash itself is not particularly beneficial to the recovery of the body after the operation, the patients who are allergic to alcohol may also develop skin allergy symptoms.
Therefore, excessive consumption of mash after surgery is not recommended, but if there is no alcohol allergy and you have been ventilated after surgery, you can eat mash in moderation if your mouth is bland and tasteless.