Generally, external and mixed hemorrhoids are more painful after atrophy injections. Hemorrhoids are divided into external, internal and mixed hemorrhoids. For internal hemorrhoids patients, atrophy injection is in the hemorrhoids above the location of the mucous membrane for injection, and then make the internal hemorrhoids atrophy, and then necrosis, fall off, and because the internal hemorrhoids in the location of the mucous membrane has no nerve distribution, so there will be no pain. The external hemorrhoids and mixed hemorrhoids patients, the location of the atrophy needle injection nerve distribution is relatively rich, the injection of pain is stronger, and when serious, it will lead to infection, affecting the normal tissue connected to, or even necrosis. After the hemorrhoid shrinkage injection, you should pay attention to rest in daily life, light and easy to digest diet, drink more water, avoid spicy and stimulating diet. If the pain is serious, you should consult a doctor in time and give treatment to avoid causing adverse effects.