The reason why you can’t speak when you have a cold is because when you have a cold, there is a serious inflammatory reaction in your throat, which affects the part of the vocal cords that pronounce the sound, causing hoarseness, and when you can’t speak in severe cases, you should continue to treat your cold in a timely manner, you can take anti-inflammatory medicines, and you can also use watermelon cream or other cold rushes, such as those that clear away heat and detoxify the toxins, which are useful in treating this type of symptom. There is also a situation where the cause and mechanism of the disease is not necessarily due to actual heat, but rather there is a deficiency of yin in the body, then you can take Xuanmai Ganlang Granules, Xuanmai Ganlang Granules is a proprietary Chinese medicine for the treatment of symptoms of the throat, but it works by nourishing the yin and lowering the fire, so you can choose the drug according to the cause and mechanism of the patient’s disease to be treated.