Frequent crying may be caused by the following diseases: 1. It may be a problem of depression, where the patient becomes easily aggravated, unhappy, or even tearful every day. 2. There may be frustration and stressful things, and these problems will certainly make them have some negative emotions suppressed in their hearts, and they will cry every day when they are serious. 3. It may also be caused by some somatic diseases, such as having low thyroid function, sex hormone secretion Abnormalities, etc., these patients are likely to be accompanied by the problem of frequent crying.