1. Bring all previous examinations, medical records, films and checklists. Be careful to provide all previous diseases, allergy history in advance, those who are currently pregnant should inform the doctor in advance. 2.Don’t change doctors after one visit without clear diagnosis or bad treatment, because the condition is always changing and every doctor has a process of understanding, generally speaking, if you see a doctor for three times, but still ineffective or the diagnosis is unclear, you can consider changing to another doctor, then the doctor will also recommend the patient to see the relevant doctor. 3, the general disease consultation, it is best not to consult too many doctors, because a person a law, each doctor may not say exactly the same, in the end, make yourself overwhelmed, the left is not the right is not. 4, can not be based on only one or two days of use to determine a drug has no effect. It is best to use a drug for 3-5 days to evaluate the effect.