1. Cardiac organic diseases and functional changes, such as congenital heart disease, rheumatic heart disease, coronary heart disease,etc.

2. Vascular disease, such as arteriosclerosis, arteriostenosis, arteriovenous thrombosis or occlusion and arterial aneurysm,etc.

3. Digestive system disease, such as liver cirrhosis, liver tumor, cholecystolithiasis, cholecystitis, pancreatic tumor, pancreatitis and gastrointestinal ultrasonography,ect.

4. Urinary system disease, such as kidney tumor, nephrolithiasis, hydronephrosis and bladder tumor,etc.

5. Gynecological disease, such as ovarian cancer, ovarian cyst, endometrial carcinoma and uterine myoma,etc.

6. Early pregnancy examination, including diagnosis and identification of ectopic pregnancy.

7. Second and third trimester fetus, such as prenatal examination of fetal abnormalities, fetal intrauterine development condition, fetal position, placenta, amniotic fluid, and fetal 3d/4d imaging.

8.Superficial tissue and organ, such as thyroid disease, breast disease, eye disease, salivary 

gland disease, scrotum and testicular disease,etc.