1. Skin disease, symptoms: redness, swelling and flaking of the skin. Treatment: First, the environment must be kept clean and dry. It is necessary to check what kind of skin problem it is, and then apply the corresponding medicine.

2. Heart disease, symptoms: loss of appetite, poor mobility and Difficulty breathing. Treatment: Should be taken to a veterinary clinic for further examination. After the disease is confirmed, the use of cardiotonic, urine, and vasodilator methods to treat it.

3. Constipation, symptoms: the frequency of defecation is significantly reduced, or even no defecation. Treatment method: The cage should be kept clean, fed with fresh and fibrous food, and supplemented with sufficient water.