First, the thumb: cardiovascular disease 1, the first and second thumb scattered more lines, knuckle lines scattered unclear, prone to head disease. 2, thumb drumstick-shaped, it is easy to suffer from congenital heart disease or bronchial dilation and other chest diseases. 3, the first section of the thumb is short and too hard to bend, prone to stroke, headaches and heart disease. 4, the thumb is too weak, and the phenomenon of bending, it is prone to neurasthenia, headaches, insomnia, poor nausea and other symptoms. Second, the index finger: digestive system diseases 1, the index finger is pale and thin, between the fingers leaky, easy to work, depressed, suggesting that the liver function is poor, prone to digestive system diseases. 2, the index finger is curved, the texture is scattered, and health conditions. Third, the middle finger: circulatory system diseases 1, the middle finger is curved, between the fingers leaky seams, suggesting poor circulatory system function, but also affect the intestinal function. 2. Asymmetry of the 3 knuckles of the middle finger, with the second knuckle being particularly long, suggests poor calcium metabolism and susceptibility to bone and dental diseases. 3, the middle finger is pale and weak, suggesting poor heart function, poor hematopoietic function. Fourth, the ring finger: kidney and reproductive system diseases 1, the first section of the ring finger, and the strength of sexual function. Too thick and strong, easy endocrine disorders. 2, the ring finger second section is too long, the knuckle lines scattered, pale, thin lines, suggesting poor calcium absorption function, bones and teeth will be more fragile. 3, the ring finger deviated knuckle leakage seam, more suggests a weaker urinary system, but also prone to neurasthenia, headaches, insomnia and other symptoms. 4, the second section of the ring finger, and the strength of the human tendons and bones. This section is too long, suggesting that calcium absorption function is poor, bones and teeth will be more fragile. 5, the ring finger is too short, suggesting that the vital energy is too weak, the spirit is weak; too thin, suggesting that the function of the reproductive system is weak. Fifth, the little finger: genitourinary system function disease 1, the little finger pale, small and thin, prone to intestinal diseases, causing malabsorption or poor bowel movement. 2, the pinky finger is excessively curved, women are prone to infertility due to poor ovarian function, men are prone to sexual dysfunction, impotence and premature ejaculation. 3, the pinky is short, suggesting a weak fertility function, lack of kidney energy. It is prone to dizziness, tinnitus, back and leg pain, etc. Women tend to have small uterus or irregular menstruation, and men tend to have weak sexual function.