How can a telecom company protect its rights by occupying the owner's public house as a computer room without paying?

You can negotiate the fee with the telecom company. If negotiation fails, you can apply to the court for civil action.

Article 2 of the Tort Liability Law infringes upon civil rights and interests and shall bear tort liability in accordance with this Law.

The civil rights and interests mentioned in this Law include personal rights and property rights such as the right to life, health, name, reputation, honor, portrait, privacy, marital autonomy, guardianship, ownership, usufructuary right, security right, copyright, patent right, trademark exclusive right, discovery right, stock right and inheritance right.

Article 3 The infringed party has the right to request the infringer to bear the tort liability.

Article 19 If the property of another person is infringed, the property loss shall be calculated according to the market price at the time of the loss or by other means.