Swelling of the vaginal mucosa is a condition caused by the subcutaneous production of embryonal rhabdomyosarcoma. So what are the specific clinical manifestations that can be used for the initial diagnosis? Embryonal rhabdomyosarcoma accounts for about 2/3 of rhabdomyosarcomas and is more common in children and adolescents, with a two-peak age distribution, i.e., postnatal and late adolescent, at an average age of 5 years. It occurs in the head, neck, genitourinary tract and retroperitoneum. The main symptoms are painful or painless masses, red and swollen skin surface, and high skin temperature. The tumors vary in size and hardness, and most of the masses are fixed at the time of consultation. Most of the masses are fixed at the time of consultation. The tumor is fast growing and may have skin breakdown and bleeding. Pain may occur when the tumor compresses the nerve. Head and neck masses may have protruding eyes, bloody discharge, nasal bleeding, swallowing and breathing disorders. Genitourinary system tumor manifests as bloody vaginal discharge, hematuria and urinary retention, and pelvic mass can be palpated by anal finger. This type mostly metastasizes to retroperitoneal lymph nodes and the regional lymph nodes to which it belongs, and late stage is often accompanied by hematogenous metastasis. Adenoid rhabdomyosarcoma is more common in adolescents, and is more common in males than females. It occurs in the extremities, head and neck, trunk and perineum, and also in the orbit. The main symptom is painful or painless masses. Tumor compression of peripheral nerves and invasion of surrounding tissues and organs may cause pain, compression symptoms and sensory disturbance. Lymph node metastasis and hematogenous dissemination to the lung can occur at an early stage. Rhabdomyosarcoma multiforme mainly occurs in adults, mostly between 40 and 70 years old. It occurs in the extremities and trunk, and is located in muscle hypertrophy, such as the quadriceps, the adductors of the thighs, and the biceps. The tumor often infiltrates to the outer envelope and forms multiple nodules in the distant parts of the muscle interval. The duration of disease varies, with some reaching more than 20 years. The main symptom is painful or painless lump, which is located in the muscle with unclear boundary. When the tumor invades the skin surface, there may be high skin temperature, rupture and bleeding. This type of tumor is characterized by large size, mostly 5-10 cm, but there are some cases up to 40 cm. The mass is hard and cystic in nature. Polymorphic rhabdomyosarcoma may present with lymph node metastasis.