Soft bumps on the baby’s head can generally be divided into three cases, the most common being enlarged lymph nodes in the head and neck, which are usually less than 1cm in size, smooth to the touch, and can feel mobile. If the mass is slightly larger, it can sometimes be a lipoma or hemangioma of the scalp. If it is a hemangioma, you can actually see a purple or greenish pattern on the epidermis. Another condition is that the baby has a fontanelle and a fontanelle. Sometimes the fontanelle is more inflated and some parents may mistake it for a mass, and after the fontanelle is completely closed, sometimes there is a hard mass. If the ultrasound indicates an enlarged lymph node with a clear dermal medulla, it can be temporarily left untreated until the inflammatory period of the child has passed, and sometimes it can subside on its own, even if it remains on the top of the head for a long time. If it continues to grow, it may be a lipoma or a cholangioma, which can be surgically removed or treated otherwise.