There is no explicit stipulation that the national flag pattern cannot be printed on clothes without affecting commercial activities and private funerals. In theory, it is ok to wear it by yourself in personal tailor.
according to China's laws and regulations, it is not illegal to print the national flag on clothes, but when large-scale commercial production is suspected of trademark and advertising problems, it should be avoided clearly and not illegal. At the same time, if the clothes made are used by others and do illegal things, they need to bear relevant legal responsibilities.
in practice, most commercial patterns involving the national flag adopt some form of freehand brushwork of the national flag, instead of adopting the standard national flag style, which may include the consideration of avoiding legal risks for merchants.
Although it is not illegal to wear clothes printed with the five-star national flag directly, it is also illegal to burn and trample the national flag at will. The national flag cannot be used as a trademark or advertisement, nor can it be used for private funeral. It is only the treatment of national martyrs when private funerals are held.
printing the national flag and its design on bags, clothes, ornaments and other commodities is not a trademark act, but it is a disguised advertising act to attract consumers through the national flag pattern.
If you must wear clothes with personal tailor's national flag pattern, it is recommended that you protect your clothes. Relevant laws stipulate that you should not damage the national flag or the national flag pattern on public occasions.