According to Chinese medicine, if the hands and feet are cold when you have a fever, it is mostly considered to be a true heat and false cold syndrome, which belongs to a kind of yin and yang imbalance. According to Chinese medicine, under normal circumstances, no matter whether it is cold or heat, if there is a fever, there will not be cold hands and feet at the same time. Once the above two symptoms appear at the same time, it is mostly considered that the yin and yang are biased to the extreme, resulting in mutual exclusion of both yin and yang. The above situation is mostly due to the yang bias, closed in the body, the yin will be excluded from the body, in addition to fever, cold hands and feet, there are red face, thick gas, irritability, red tongue, pulse number of large favorable and so on the performance. If you have symptoms, you should take medication under the guidance of a medical professional, do not take medication blindly on your own to avoid delays or adverse reactions.