Pregnant women can drink more boiled water when they have a cold, but boiled water is sometimes tasteless. In order to season, you can add less cola to increase the amount of water you drink. You can also use huanghuali and rock sugar to boil water to drink, which has the effect of clearing throat and benefiting throat. If the cold is serious, you can use onion root, coriander root and ginger to boil water to drink, which is conducive to the improvement of the cold.