2. The pen itself has no water, is not well adjusted, or the ink itself is an easy-to-soak type;
3. The air in the ink bag expands with heat and contracts with cold, resulting in ink dripping when the temperature is raised by hand in cold weather;
4, the paper is soaked, try to change other types of paper;
These are probably common reasons. Generally speaking, a suitable pen and ink should not leak even if it is full of ink. ...
As for how to write a pen ... don't be too deliberate, study the writing structure and pay attention to the writing rhythm. I don't specialize in calligraphy, but only offer my personal opinions.
Some pens are really difficult to write a pen with a nib. If you pursue the nib effect, it is recommended to use a pen with a calligraphy nib, which is the kind of elbow. Similarly, it will be more obvious than ordinary steel stylus.