Patients with hard packs on the back, accompanied by painful pressure, the common clinical causes are mainly the following: a. local pore blockage on the back with metabolic waste can not be excreted, which can cause local sebaceous cysts and infection, and cause local swelling and pain. In this case, the patient can use Ruyi gold ointment or fisetail ointment topically to promote the softening and absorption of smaller sebaceous cysts faster, thus eliminating the need for surgical treatment. For larger sebaceous cysts, the external application of drugs can make the necrotic tissue in the cyst form pus as soon as possible, and at this time, abscess incision and drainage is feasible to achieve a better effect of pain relief. Second, when the patient’s back is accompanied by neurofibroma hyperplasia, it can also be manifested as a hard mass with painful pressure symptoms. For larger neurofibromas with obvious pain symptoms, patients are advised to undergo surgical excision to avoid serious complications.