Endometrial thinning refers to thin endometrium, this condition needs to be regulated according to the cause of endometrial thinning, common causes are oral anti-estrogenic drugs, endocrine disorders, multiple surgical trauma, genital tuberculosis, etc. 1, oral anti-estrogenic drugs: If the patient has oral anti-estrogenic drugs, which inhibit the activity of estrogen and lead to thin endometrium, it is recommended to adjust the drug treatment plan or use other Endocrine disorders: Endocrine disorders can lead to estrogen deficiency, resulting in thin endometrium, and the cause needs to be clarified. Generally, hormones are applied to regulate, such as those caused by polycystic ovary syndrome, which can be taken with medical advice; 3, multiple surgical trauma: such as multiple scrapings will endometrial basal layer damage, usually available estrogen, progestin for cyclic conditioning; 4, genital tuberculosis: such as endometrial tuberculosis, can also cause endometrial thinning. The cause should first be removed and anti-tuberculosis treatment should be taken, followed by cycle therapy with high-dose estrogen as prescribed by the doctor. Patients with thin endometrium can eat more legumes, such as soybeans, black beans and soy products, which contain phytoestrogens that can supplement estrogen and can play an auxiliary regulating role. At the same time, it is important to maintain a happy mood and not to overstress. In addition, post-menopausal women have physiological thinning of the endometrium, which generally does not need to be treated.