Small testicles can be treated with general treatment, medication and surgery according to the cause of the disease, and at the same time, attention should also be paid to daily care. 1. Medication: If it is caused by poor blood circulation, such as atrophy of testicular artery, trauma, etc., it is recommended to orally take medicines to activate blood circulation and eliminate blood stasis (to promote blood circulation and eliminate blood stasis in the body) under the guidance of doctor, such as Shujinzhongxuezhuai Tablet, Haifuhuhuyixu Capsules, etc., which can effectively improve blood circulation of testicles and promote the growth of testicles. 2. Surgery: Suffering from varicocele may lead to insufficient blood supply to the testicles, which may result in smaller testicles. Surgery is the main treatment method, which can be carried out through high spermatic vein ligation, which can remove the varicose vein mass in the scrotum at the same time and improve the phenomenon of small testicles. In daily life, pay attention not to excessive masturbation, rest more, ensure sufficient sleep. Positively adjust the mood, appropriate relaxation, maintain a happy mood. Specific treatment can consult a professional physician’s opinion.