The fingernails of both hands are uneven, and each nail has vertical stripes. Obviously, all eight nails have thimble-like pits, and only two thumbs have small crescent moons.

2. The less half-moon marks, the colder it is, and there is no cold type of half-moon marks. Cold type suggests that yang is weak and yin is cold. Low viscera function, slow blood circulation, easy fatigue, listlessness, poor absorption function, pale face, cold hands and feet, fright, lethargy, easy to catch a cold, repeated colds, decreased energy, decreased physical fitness, and even phlegm-dampness stagnation, qi stagnation and blood stasis, phlegm-dampness nodules and tumors;

3. Is it possible for skin diseases to consider psoriasis?