After discharge from the hospital home should start early warm salt water tub bath. Method: Prepared at a concentration of 2%-5% (about 1 tael of salt per 5 pounds of water to 1 tael of salt per 2 pounds of water, usually 1 tael of salt per 5-pound bottle of warm water), in a large basin with boiling water to rinse the salt, until the water temperature drops to not burn the child (do not be too cold), the child can sit in the basin, the vulva is completely immersed in the water, each sitz bath 15-30 minutes, 2-3 times a day (early edema is more obvious can be 3 times a day, later edema gradually subsided can be 1-2 times a day), usually at least 2 weeks, after 2 weeks of review depending on the situation to determine whether the tub bath. (early edema is more pronounced can be 3 times a day, later edema gradually subsided can be 1-2 times a day), usually need at least 2 weeks of tub bath, 2 weeks after review depending on the situation to determine whether the need to stop tub bath. The principle of warm salt water to reduce swelling is the use of the principle of osmotic pressure. Soaking saline, boric acid, and potassium permanganate are available. Saline is relatively safe and there are no adverse reactions to accidental ingestion by the affected child. Saline generally has no allergic reactions. Most small postoperative leaks can heal themselves by soaking in saline. If you have a postoperative fistula that you wish to heal by soaking, do not apply ointments or other greasy things; applying them will form a greasy film on the wound surface, which is not conducive to self-healing. The main purpose is to improve the circulation throughout the pelvis, which is good for wound healing and scar softening. Salt water sitz baths are usually continued until the swelling subsides. It should not be soaked every day for a long time like this for several months. This is because the environment in which the testicles develop should be below body temperature. Some parents feel that sitz baths are effective and they continue to sit in them for long periods of time, which is not advisable. For foreskin infection, glansitis, redness and swelling. Female pelvic syndrome these problems can be warm salt water sitz baths, the concentration is not necessary so large. Later in the sitz bath, the scar can be gently rubbed to help soften it.