A swollen glans may be some kind of physiological phenomenon, or it may be glansitis, glans trauma, etc., and you should consult a doctor in time to find out the cause of the disease. 1. Physiological phenomenon: for example, after soaking in a hot bath, sauna, glans local blood circulation is accelerated, blood filling, resulting in glans red and swollen, this situation does not require treatment, and will gradually return to normal. 2. glansitis: there is a swollen glans, mostly accompanied by abnormal secretions, accompanied by erythema on the surface of the glans, or accompanied by local oozing, pain and other changes. 3. glans trauma: glans trauma is mainly manifested as swelling, pain, blood in urine and so on. Mostly caused by blunt external force. If the swollen glans is not relieved for a long time, it should be further examined, and the doctor should be asked to clarify the cause of the disease, and if necessary, appropriate treatment should be carried out.