The right lower abdominal pain in early pregnancy may belong to physiological pain, may also be caused by disease factors, need to clarify the cause of targeted treatment, common causes and treatment methods are as follows: a. Physiological right lower abdominal pain in early pregnancy when the fertilized egg is bedded in the endometrium, the hormone levels in the body of pregnant women will be significantly affected, coupled with the uterus with the growth and development of embryos continue to grow larger, the uterus and pelvic congestion can feel As the uterus grows with the embryo, the uterus and pelvic cavity become engorged with blood and you can feel a slight swelling similar to menstrual cramps. As the gestational week grows, the ligaments around the uterus may be stretched and cause pulling pain, which may cause mild pain in the right lower abdomen. If the pain is not very serious and will be relieved with a little rest, there is no need to worry too much. It is recommended to pay more attention to rest, not to eat cold food and to ensure a balanced nutritional intake. Second, pathological right lower abdominal pain 1, appendicitis: appendix is located in the right lower abdomen, in early pregnancy may also attack, so when the right lower abdominal pain need to be alert to the possibility of appendicitis, especially in pregnant women with chronic appendicitis, if the pain is heavy or gradually aggravated, along with fever, gastrointestinal symptoms and other symptoms, it is recommended to promptly seek medical advice; 2, ectopic pregnancy (ectopic pregnancy): the right lower abdomen of pregnant women in early pregnancy pain, if it is very intense, with dull pain or colic, and at the same time there may be a small amount of vaginal bleeding, anal cramping, nausea, vomiting and other discomforts, the possibility of ectopic pregnancy needs to be considered. Ectopic pregnancy means that the fertilized egg lays outside the uterine cavity and most of them will lay in one of the fallopian tubes. If it lays in the right fallopian tube, it may cause pain in the lower abdomen on the right side, and if rupture and hemorrhage occurs, it will lead to severe abdominal pain. It is recommended to do ultrasound examination after pregnancy is found to determine whether the pregnancy is in a normal position, and if ectopic pregnancy is found, surgery should be done as soon as possible; 3. Pre-eclampsia: it is generally manifested as lower abdominal pain with a small amount of vaginal bleeding, and if the uterus deviates to the right side, right lower abdominal pain may also be felt, which should be combined with ultrasound examination and gynecological examination to confirm the diagnosis. Lower abdominal pain may also appear urinary stones, adnexitis, etc. It is recommended to seek immediate medical attention, combined with the comprehensive consideration of the pregnancy and symptomatic treatment. If the right lower abdominal pain occurs in early pregnancy, if the pain is too intense and accompanied by bleeding, you should immediately consult a doctor for ultrasound examination and then treat it symptomatically. It is recommended to pay attention to rest during pregnancy, avoid strenuous exercise and heavy physical labor, strengthen nutrition, eat more protein and vitamin-rich food, and eat less cold, cold and stimulating food.