No, depending on the specific circumstances, it may be illegal or even criminal.

Whoever sells drugs without obtaining a "Pharmaceutical Business License" shall be banned in accordance with the law, illegally produced and sold drugs and illegal income shall be confiscated, and illegally produced and sold drugs (including sold and unlicensed drugs) shall be punished. Drugs sold (the same below) shall be fined not less than two times but not more than five times the value of the drugs; those who disrupt market order and the circumstances are serious shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also or solely be fined not less than one time but not more than five times the illegal gains. fine; if the circumstances are particularly serious, the offender shall be sentenced to fixed-term imprisonment of not less than five years, and a fine of not less than one time but not more than five times the illegal income, or property shall be confiscated.

The act of "changing the medicine jar" is considered a counterfeit medicine if any of the following circumstances occurs:

(1) Impersonating the deterioration of this type of medicine with another type of medicine;

(2) Deteriorated or contaminated;

(3) The indicated indications or functions exceed the prescribed scope

Selling counterfeit drugs, Those who cause serious harm to human health or other serious circumstances shall be sentenced to fixed-term imprisonment of not less than three years and not more than ten years and shall also be fined; those who cause death or have other particularly serious circumstances shall be sentenced to fixed-term imprisonment of not less than three years and not more than ten years and shall also be fined; , shall be sentenced to fixed-term imprisonment of not less than ten years, life imprisonment or death, and shall also be fined or have property confiscated.

The behavior of "changing the medicine can" is considered inferior medicine if any of the following circumstances occurs:

(1) Failure to indicate the expiration date or changing the expiration date;

(2) Failure to indicate or change the production batch number;

(3) Expiration date exceeded;

(4) Packaging materials and containers that are in direct contact with drugs without approval

(5) Adding colorants, preservatives, spices, flavorings and auxiliary materials without authorization;

(6) Others not complying with drug standards.

Whoever sells inferior drugs will have the illegally produced and sold drugs and illegal income confiscated, and a fine of not less than one time but not more than three times the value of the illegally produced and sold drugs will be imposed; if the circumstances are serious, the company will be ordered to suspend business for rectification; Whoever causes serious harm to human health shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years, and shall also be fined not less than 50% and not more than twice the amount of sales; if the consequences are particularly serious, he shall be sentenced to fixed-term imprisonment of not less than ten years and not more than ten years, and shall also be fined not less than 50% and not more than twice the amount of sales. A fine of not less than 50% but not more than twice the amount of sales or property confiscation may be imposed.

If the behavior of "changing the medicine jar" is counterfeiting a registered trademark, the person shall be ordered to immediately stop the infringement, confiscate and destroy the infringing goods and tools mainly used to manufacture the infringing goods, forge the registered trademark logo, and illegally operate If the amount exceeds 50,000 yuan, a fine of not more than five times the illegal business amount may be imposed. If there is no illegal business amount or the illegal business amount is less than 50,000 yuan, a fine of not more than 250,000 yuan may be imposed. Anyone who commits more than two trademark infringements within five years or has other serious circumstances shall be severely punished; if the circumstances are serious enough to constitute a crime, he shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention, and shall also or solely be fined; if the circumstances are particularly serious, he shall be sentenced to three years to fixed-term imprisonment of not less than 10 years but not more than seven years, and shall also be fined.