The reasons for insomnia and dry mouth are as follows: 1, it is due to the strong deficiency fire, the reason for the strong deficiency fire is due to dry weather, because of drinking less water, the patient sweats too much or the patient over-eat spicy and stimulating and hot food, can lead to dry mouth, in the case of too much internal fire will lead to poor sleep, causing insomnia, this situation is mainly to eat heat detoxification medicine. 2, insomnia with dry mouth may be caused by plant nerve disorders, this patient can also eat a light diet to assist in the treatment. 3, insomnia with dry mouth, may be caused by plant nerve disorders, at the same time also need to eat light to assist in the treatment. The patient may be suffering from insomnia and dry mouth, which may be caused by plant nerve disorder, and this patient can take acupuncture, glutamine to regulate, but also to eat a light diet to assist in the treatment. 3, insomnia with dry mouth may also be caused by disease, such as patients suffering from diabetes, kidney disease, hyperthyroidism and other diseases, may lead to dry mouth, causing bad sleep.