If you've caught a cold, drink ginger soup, soak your feet and sweat it out.
Tips
culture
泡脚 is a staple of Chinese health culture — often with 艾叶 (mugwort) or Chinese medicine powders — said to 'invigorate blood circulation and drive out cold' (活血驱寒). Dedicated 泡脚桶 foot buckets are standard household items.