Infantile hernias are commonly umbilical and inguinal hernias. The effusion is mainly syringomyelia, and syringomyelia and inguinal hernia occur in basically the same location. Syringomyelia is divided into types such as traffic syringomyelia, spermatic cord syringomyelia and testicular syringomyelia, and inguinal hernia is the most common type of hernia. The principle of occurrence of both is basically the same, but there are also differences, as follows: 1. The opening of the sphincter of hernia is larger, and the intestinal canal can come out; the opening of syringomyelia is small, and the intestinal canal cannot come out, and the liquid can come out; 2. The inguinal mass of clinical hernia contains gas, and there can be a gurgling sound, and the fluid The clinical hernia inguinal mass contains gas and can have a gurgling sound, while the effusion does not have a sound; 3. Ultrasound examination is also feasible for identification.