How can oral ulcer?

How can oral ulcer?

Question:

Gender: male
Age: 27
History: oral ulceration
Description: the disease is often repeated what is going on, it hurts! Now the mouth hurts, sobbing...

Treatment:

Recurrent oral ulcer and said, o KouChuang recurrent or his mouth inflammation, TCM believes that, the disease for pulmonary kidney Yin kui, asthenic-heat, when the infection to retain heat source, to eat something, as zhibai dihuang pill.