Whether impotence in 20s is serious or not, it is mainly combined with the condition of the comprehensive judgment. Just a short period of time tiredness or stress psychological condition abnormal, most of them are not serious, can gradually recover; nerve, blood vessel condition abnormality caused by impotence, is a more serious condition. 1. After overwork, the physical condition will be deviated, which will easily cause abnormal erection condition and impotence symptoms, which can be relieved through rest; and the impotence symptoms caused by excessive mental stress due to unsuccessful coitus, which can be improved through psychological adjustment. The above two conditions are not particularly serious and can be recovered on their own. 2. Abnormalities in nerve function can directly affect penile erection; abnormalities in blood vessels, such as vascular malformations and vascular injuries, can also affect penile blood supply and erection. These two conditions are more serious and require standardized treatment. If the symptoms of impotence have not been relieved, you need to consult a doctor for observation and diagnosis of the condition, and then carry out standardized treatment under the guidance of the clinician, so as to avoid delays in the condition.