1. Suffering from skin infectious diseases: The main reason why tattoos are not suitable for this group of people is because the trauma caused by tattoos is not easy to heal, and due to skin factors, it can greatly affect the effectiveness of tattoos (such as eczema, urticaria, psoriasis, etc.);
2. Patients with diabetes: a very important condition of diabetes is "immune dysfunction", and tattoos will make it difficult to heal the wound;
3. Heart disease patients: This type of population belongs to the high-risk group, and strong stimulation may cause the patient's condition to attack;
4. Color and anesthetic allergies: May cause skin allergies and physical discomfort, and can also affect the quality of tattoo patterns;
5. Female menstrual period: Girls at this stage are physically fragile, have poor immunity, and are not suitable for tattooing;
6. During female pregnancy: The stimulation during tattooing may affect the normal development of the fetus. It is recommended not to tattoo;
7. Drunken and delirious individuals: This type of population is not suitable for tattooing. Firstly, the tattooing process may be complex, and secondly, it is easy to cause disputes afterwards.
