1. Đường chia giữa, nữa trái – phải (Central line)
Là đường nối các điểm CP – TP – GP – BP – NP
![central-line-w](https://lh3.googleusercontent.com/-_lSd9iLsAao/UTW63bAAPBI/AAAAAAAAAVY/l4Xqo2Vl_Og/s600/central-line-w.jpg)
![central-line-2-w](https://lh5.googleusercontent.com/-PYNF7sFwLsE/UTW62gvZulI/AAAAAAAAAVM/O1fqmNY9MHc/s600/central-line-2-w.jpg)
2. Đường chia giữa, nữa trước – sau (Side Central Line)
Là đường nối các điểm EP – TP – EP
![side-central-w](https://lh3.googleusercontent.com/-M390JgEoUUs/UTW7GTxM_TI/AAAAAAAAAaE/BrdNojPXoWw/s600/side-central-w.jpg)
3. Đường chia ngang, nữa trên – dưới (Horizontal Line)
Là đường nối các điểm EP – BP – EP
![horizontal-line](https://lh3.googleusercontent.com/-4mblk-JukR8/UTW6_TgANgI/AAAAAAAAAYA/6c-fZiBEzSc/s600/horizontal-line-w.jpg)
![horizontal-line](https://lh3.googleusercontent.com/-rBQptDpXH08/UTW6_CV5_XI/AAAAAAAAAX4/rlr23i7ODpg/s600/horizontal-line-2-w.jpg)
4. Đường chia chóp đỉnh, hình chữ U (U Shape Line)
Là đường nối các điểm FSP – GP – FSP
![u-line](https://lh4.googleusercontent.com/-A4ZdnNIxE00/UTW7LvF8nEI/AAAAAAAAAb0/fv2NLmcmqT0/s600/u-line-w.jpg)
![u-line](https://lh6.googleusercontent.com/--GIbPMIZkgU/UTW7Lcy3L0I/AAAAAAAAAbw/M0DZMGNHSY0/s600/u-line-2-w.jpg)
5. Đường viền trán (Facial Side Line)
![face-side-line](https://lh4.googleusercontent.com/-SBfdec1Ztbs/UTW67FDmWRI/AAAAAAAAAWk/_lFu_PdXh-s/s600/face-side-line-w.jpg)
6. Đường viền bên cổ (Neck Side Line)
![neck-side-line](https://lh4.googleusercontent.com/-rVasxtV2BNo/UTW7BBn2vFI/AAAAAAAAAYg/Miib8qxSgU0/s600/neck-side-line-w.jpg)
7. Đường viền sau cổ (Neck Back Line)
![neck-back-line](https://lh5.googleusercontent.com/-B--jnynGO0o/UTW7AvJFWoI/AAAAAAAAAYQ/5gmhRUwiGss/s600/neck-back-line-w.jpg)
+ Một số đường chia khi cắt tóc
![duong chia](https://lh6.googleusercontent.com/-Ehip9dxAl74/UTW66oB-UwI/AAAAAAAAAWc/rrMrAloQdCE/s600/duongchia.jpg)
A – Đường chia ngang
B- Đường chia xiên, chia theo chữ V
C – Đường chia xiên, chia theo chữ A
D – Đường chia dọc
E – Đường chia rẽ quạt, hay múi cam