Hard lumps in male chest hurt when pressed, usually consider male breast hyperplasia, which can be seen before and after puberty and old age, and is related to hormone levels, taking drugs and liver disease. 1. Life and drug factors: long-term consumption of estrogen-containing drugs, work and study stress or bad habits, etc., the body’s estrogen and androgen levels are abnormal, which can cause breast parenchymal hyperplasia, resulting in hard nodules in one or both breasts, which may have pressure pain. 2. Liver diseases: such as cirrhosis, the liver inactivation of estrogen is reduced, causing estrogen increase, as well as androgen reduction caused by feedback inhibition, male testicular atrophy, hair loss or breast development and other manifestations, can be touched in the chest mass, can be accompanied by pressure pain. Men with hard lumps in the chest, and pressure pain or tenderness may also be inflammation, tumors, chest wall diseases and other causes, it is recommended to go to the hospital in a timely manner to improve the relevant examination, targeted treatment.