The enlargement and hardening of the raphe may be caused by local inflammation, trauma, tumor and so on. 1. Local inflammation: such as cold, strain, etc., can cause raphe inflammation or raphe chondritis, due to inflammation stimulation, can lead to raphe enlargement and hardening, usually accompanied by local redness, swelling, pain, fever and other symptoms. 2. Trauma: If the raphe is traumatized, resulting in local bone displacement, or previous raphe is traumatized, the raphe local scab formation, hyperplasia, can lead to raphe enlargement and hardening. 3. Tumor: If the tumor originated in the raphe or metastatic tumor in the raphe, it can also cause the raphe to become large and hard. There are many other causes of raphe enlargement and hardening, so we should pay attention to it, consult the doctor in time to find out the cause of the disease, and follow the doctor’s advice for further treatment or therapy.