A bulge on the side of the neck that doesn’t hurt or itch may be caused by epidermal cysts, soft fibroids, lipomas and other diseases, which need to be treated with general therapy, physiotherapy and surgery. 1. Epidermoid cysts: a bulge on the side of the neck that doesn’t hurt or itch may be caused by epidermoid cysts. If the cyst is small, it can be observed dynamically for the time being and surgical excision can be chosen at a later stage. 2. Soft fibroma: a bulge on the side of the neck without pain or itching may also be caused by soft fibroma, patients can choose laser treatment, liquid nitrogen freezing, electrocautery and other physical therapy. Larger soft fibroid can take surgical ligation, or excision treatment, in the postoperative period need to avoid wound contact with water, so as to avoid secondary infection. 3. Lipoma: a bulge on the side of the neck without pain or itching may also be caused by lipoma, generally lipoma has no obvious harm to the human body, if the volume is large, surgical excision treatment can be taken. There are many reasons that lead to a bulge on the side of the neck without pain or itching, and it is recommended that patients identify the cause of the disease and actively cooperate with doctors to take relevant treatment measures.