Yellow tongue coating is also called yellow greasy tongue coating in Chinese medicine. If it is caused by a cold, it will disappear naturally after the cold is cured. The specific time depends on everyone's physique, usually within three to five days after the cold is cured. If you have been in this situation, you can eat some food to recuperate:

1, fresh bitter gourd 200g, lean pork 100g, and proper amount of salt.

Methods and usage: fresh bitter gourd is pitted and cut into pieces, lean meat is washed and sliced, put into a casserole, added with appropriate amount of water to make soup, seasoned with a little salt, and bitter gourd lean meat is boiled and eaten;

2, banana roots and honey are appropriate.

Methods and usage: clean banana roots, mash them, wring juice with clean gauze and take 1500~2000 ml, and add honey to take. Drink many times.

Good luck!