How to buy healthy piglets from the market? The author thinks that it is appropriate to implement the "eight look". See fur healthy piglet skin smooth, clean, no bleeding spots, sick pigs hair disorder, no light, skin bleeding or born with pox sores. If the skin is dry and desquamation, there may be blemishes or skin diseases. Look at mental health pig spirit lively, bright eyes and gods, see people have fear. The diseased pig was mentally frustrated, his posture was not correct, his eyes were closed, and he was lazy. Look at the nose and mouth of healthy swine nose moist, pink mouth, no swelling. If the nose is dry or there is purulent discharge in the nasal cavity, it is unhealthy. If the mouth is red, pale, and tongue is covered, it is a sick pig. Look at the conjunctiva of the eye conjunctiva. The porcine ocular conjunctiva is pink, with no secretion. The conjunctiva of the diseased pig is whitish. It is seen in parasitosis, anemia and internal hemorrhage; redness, congestiveness is seen in dyspnea and circulatory disorders; increased eye discharge is seen in fever and eye disease. See Abdominal circumference abdominal circumference is too large, found in large stomach expansion, intestinal hernia, ascites and so on. Look at the anus health pig anal clean without feces. Fecal contamination indicates diarrhea. Look at the fecal health pig defecation is relatively soft, moist, was a section of a conical. Defecation is hard and spherical as seen in fever; defecation as dilute water is seen in the lower jaw, gastroenteritis, intestinal parasites, etc.; feces dilute, color white seen in indigestion, milky diarrhea and white piglet disease, have unpleasant bad smell . Seeing that the ear and neck are swollen or pin-hole in the neck indicates that the sick pig had just shot the drug. While healthy pigs' necks are sinking, the temperature of healthy piglets is close to body temperature. When the piglet has a fever and the ear and neck temperature is low, it is more common in long-term diarrhea, anemia or heart failure.