Subcutaneous hard lumps near the outside of the anus but without pain may be related to fibromas, sebaceous cysts, perianal cysts and other causes. 1. Fibroma: can occur in the vicinity of the external anus, most often found in the presence of accidental, ill-defined hard lumps, usually not accompanied by pain. 2. Sebaceous cysts: large cysts can be seen on the surface of the skin, but may not be accompanied by painful symptoms. 3. Perianal abscess: a hard lump can be detected outside the anus, if the material in the abscess is drained out smoothly, it is usually painless. It is recommended to go to the hospital in time once the subcutaneous hard lump near the anus is found without pain, to clarify the cause of the disease, and to carry out standardized and reasonable treatment under the guidance of professional doctors to avoid delaying the condition.