Cavitary tuberculosis treatment for one month and still coughing may be due to insufficient treatment program, inappropriate medication, not pay attention to maintenance during the treatment. 1. insufficient course of treatment: cavitary tuberculosis is also secondary tuberculosis, the treatment course of the general course of treatment needs 6 to 9 months, or even longer, so just one month still coughing may be because the treatment course is still insufficient. 2. inappropriate medication: tuberculosis treatment mainly taking anti-tuberculosis drugs, such as isoniazid, rifampicin, etc., the use of drugs generally need to follow the joint, appropriate amount, early, regular, the whole principle. For those who have a heavy cough, you can also use some symptomatic cough and phlegm medications, such as aminobromine hydrochloride tablets. Therefore, if the medication is not appropriate during the treatment process, the cough symptoms may also be slow to improve the situation. 3. Failure to pay attention to maintenance during the treatment: During the treatment, patients need to pay attention to avoid cold and flu, eat a light and nutritious diet, and get enough rest, etc. If they do not pay attention to maintenance during the treatment, the cough may be slow to heal. It is recommended that patients with cavitary tuberculosis consult a doctor in a timely manner and under the guidance of a professional doctor.