According to Q & A.com, drinking less coke with ginger juice will have no effect, and it will also have the effect of treating colds. But if you drink too much, you can't. Coke will excite the nerve center, and ginger is irritating.

Ginger juice boiled cola is a drink made of ginger and cola. It tastes sweet and spicy, can increase calories, warm the stomach, and has the effect of preventing cold and removing phlegm. It also has a miraculous effect on sore throat and tonsillitis caused by cold, and is most suitable for winter.