Painless abortion usually refers to painless abortion surgery. Clinically, there is no saying about how many times painless abortion surgery can be performed in a year. Two painless abortion surgeries need to be spaced more than half a year apart to avoid unnecessary damage to the body. Painless abortion surgery is a way to terminate pregnancy, mainly through negative pressure uterine aspiration, curettage, etc. Although the surgical operation is relatively simple and generally does not cause obvious discomfort, it will cause certain damage to the endometrium. Due to differences in personal constitution, it is impossible to determine how many times painless abortion surgery can be performed in a year. Avoid frequent painless abortion surgeries. It is best to space the two surgeries at least half a year apart to avoid serious damage to the endometrium, affecting menstruation, and potentially affecting fertility. After painless abortion surgery, it is necessary to take relevant warmth measures to avoid catching a cold. It is also necessary to rest for a period of time and wait for the body to recover before returning to normal work. At the same time, pay attention to a light diet, and can appropriately eat foods such as millet porridge and vegetable soup to supplement the nutrients needed by the body. If there are obvious symptoms of discomfort, it is necessary to seek medical attention promptly.