Mental outlook: The mental outlook of a dog is an important indicator of whether it is healthy. A healthy dog ​​should be lively and active, showing curiosity and fear of new things.

Ears: The first thing you have to do when choosing a puppy is to put him in a stable place, and then snap your fingers on the side or behind his head. If the puppy takes the initiative to follow Looking in the direction of the sound source indicates that his hearing is normal. Then turn his ears outward and observe the conditions inside the ears. If there is a peculiar smell or sticky attachments, swelling, trauma, bleeding, etc., it indicates that his inner ear is damaged or has ear parasites.

Mouth: The examination of the mouth mainly focuses on secretions, teeth, and gums. A healthy dog ​​will have no other unusual secretions in its mouth other than saliva. A healthy dog's teeth should be white. A dog's gums should be pink. If his gums are off-white, it may be due to internal bleeding, physical weakness, lack of nutrition, or congenital anemia.

Nose: A dog’s nose is moist in a healthy state (the nose of a dog that has just woken up is dry, as is that of a healthy dog), and the color of the runny nose is clear and transparent, if it is yellow and thick A runny nose accompanied by a cough indicates that the dog has suffered from some kind of respiratory disease. When selecting a dog, you can pinch some food with your hand and shake it in front of his nose. If he chases your hand as you shake it, it means his sense of smell is fine.

Eyes: A dog’s eyes should be clear and clean. Bloodshot eyes, white film on the eyeballs, a large amount of eye feces in the corners of the eyes, and protruding flesh in the corners of the eyes (indicating lacrimal gland problems) are all unhealthy symptoms. When selecting, you can place him in a relatively high place and shake your hand in front of his eyes to observe his reaction. If he shows fear without jumping down and follows the shaking of your hand with his eyes, it means that his vision is normal. of.

Fur: Checking the dog’s skin is mainly to prevent him from skin diseases and surface parasites. If the color of the skin is light pink, it means the skin is healthy. At this time, you can focus on the dog’s mouth, ears, armpits and The skin at the base of the thighs, because these places are prone to mites. If the skin is red in patches or flakes, it means that the skin has been infected with mites or fungi. It is recommended that you do not choose this because it is very troublesome to treat. It is easy to relapse.

Excretion: Dog excrement is also a criterion for the health of the dog. If the dog has diarrhea and the stool is very watery, it means that there is a problem with his digestive system, or the intestinal flora has been damaged, and the worst is It's parvovirus. If you can't see his excrement, you can lift his tail and see if there is feces stuck to the anus. Generally, only the hair around the anus of a dog with diarrhea will have feces stuck to it.

Pace: Everyone has seen the normal pace of a dog. If the dog's pace is abnormal, it may be because it is too young and its muscles and bones are immature. There is a problem with the pace of dogs after three months.Indicates that the bone is injured or has been injured. Some dogs may also suffer from behavioral sequelae due to brain damage, so please be careful when choosing one.

Body temperature: 38~39 degrees is the normal range.

Foot pads: The pads of adult dogs are relatively plump and strong; the pads of puppies are relatively soft and delicate. If some dogs' foot pads are dry and cracked, it means malnutrition. If the puppy's foot pads are very hard, it may be an early manifestation of canine distemper.