The judgement of acromegaly: 1, the doctor can judge from the naked eye with the rash type, there is a specific acromegaly of the granulomatous rash type. 2, with the vinegar white test, such as the rash type is not obvious or in a subclinical state, can be used with the vinegar white test, smeared with 5% acetic acid to carry out the test, after 3-5 minutes to see the results, to see whether the local whitening, if the whitening, more highly suspected of being acromegaly. 3, if the acromegaly can not be judged through the vinegar white test and observation and history, can take histopathology to diagnose the characteristic pathological manifestations to confirm the diagnosis. If you can’t tell by the vinegar white test and visual observation and medical history, you can take histopathology, and diagnose the characteristic pathological manifestations to confirm the diagnosis in pathological cases.