Solutions to the dog eating hair:
1. If you find that the dog has swallowed hair, you can immediately feed the dog some soapy water, induce vomiting, and remove the hair. Spit it out.

2. If the dog only eats a small amount of hair, there will generally not be a big problem. Feed the dog some water to promote gastrointestinal motility, and the hair in the body will usually be excreted with the stool.
3. If the dog eats a lot of hair, you can feed it an appropriate amount of hair removal cream to help it expel hair from the body.
4. You can also feed your dog some probiotics to regulate the gastrointestinal tract, promote digestion, and help it expel hair.
5. If the dog eats a lot of hair and it is difficult to excrete it, send it to the pet hospital for treatment in time.
Methods to prevent dogs from licking their hair:
1. Owners should comb their dogs' hair more often and clean off the fallen hair to prevent dogs from licking their hair frequently.
2. If the dog's body lacks trace elements, it will lick its hair and swallow foreign objects. It must be supplemented with elemental tablets in time.
3. If the dog has parasites, it will also cause it to lick its body frequently, so the dog must be dewormed regularly.
4. When a dog feels bored, it will keep licking its hair unconsciously. The owner should often play with it or prepare some toys for it to pass the time.

5. If a dog suddenly licks its fur frequently, it may be that a certain part of the body is injured. The owner should check the dog's body in time. If there is any injury, send it to the doctor for treatment in time.