The causes of this condition are usually seen in: firstly, it is related to the body’s constitution, some people are prone to wheals, which may be related to the body’s weak resistance. For this condition, it is recommended to pay attention to a light diet and increase physical exercise to improve the body’s resistance, which may avoid recurrent attacks of wheals. Secondly, the eye appears the disease of wheals, but not to the regular hospital, resulting in local abscess residue, once the body resistance decreases, the infected bacteria will reappear, it will lead to the recurrence of wheals. It is recommended that once the granuloma appears, you need to go to a regular hospital for treatment, the formation of abscesses to early incision and drainage of pus, only then can you avoid recurrent attacks of granuloma.